diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index 451113eb2c..773703f417 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -1,9 +1,9 @@
 [[package]]
 name = "MacTypes-sys"
-version = "1.3.0"
+version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -42,7 +42,7 @@ name = "aho-corasick"
 version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -58,11 +58,6 @@ dependencies = [
  "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "ansi_term"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "ansi_term"
 version = "0.11.0"
@@ -113,14 +108,14 @@ name = "atty"
 version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "autocfg"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -128,10 +123,10 @@ name = "backtrace"
 version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -141,8 +136,8 @@ name = "backtrace-sys"
 version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -160,7 +155,7 @@ name = "base64"
 version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safemem 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -169,7 +164,7 @@ name = "bigint"
 version = "4.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -179,7 +174,7 @@ version = "0.43.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cexpr 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cexpr 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "clang-sys 0.26.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -239,7 +234,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-padding 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-tools 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -286,7 +281,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "byteorder"
-version = "1.2.7"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -294,15 +289,10 @@ name = "bytes"
 version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "cast"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "cast"
 version = "0.2.2"
@@ -310,7 +300,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cc"
-version = "1.0.28"
+version = "1.0.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -318,7 +308,7 @@ dependencies = [
 
 [[package]]
 name = "cexpr"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "nom 4.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -336,7 +326,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -345,7 +335,7 @@ version = "0.26.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "libloading 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -369,7 +359,7 @@ name = "clear_on_drop"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -385,7 +375,7 @@ name = "cmake"
 version = "0.1.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -399,7 +389,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -407,95 +397,41 @@ name = "core-foundation-sys"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "criterion"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "criterion-plot 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "criterion-stats 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "isatty 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.4.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "simplelog 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "criterion"
-version = "0.2.5"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "criterion-plot 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "criterion-stats 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion-plot 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "csv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "handlebars 0.32.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.7.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools-num 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "simplelog 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_os 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_xoshiro 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tinytemplate 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "criterion-plot"
-version = "0.1.3"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "cast 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.5.10 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "criterion-plot"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.7.11 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "criterion-stats"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cast 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread-scoped 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "criterion-stats"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread-scoped 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -520,8 +456,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -619,7 +555,7 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "csv-core 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -627,7 +563,7 @@ name = "csv-core"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -662,7 +598,7 @@ name = "curve25519-dalek"
 version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "digest 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -675,11 +611,6 @@ name = "data-encoding"
 version = "2.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "difference"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "difference"
 version = "2.0.0"
@@ -711,7 +642,7 @@ name = "dns-parser"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -741,27 +672,6 @@ dependencies = [
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "env_logger"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "env_logger"
-version = "0.5.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "termcolor 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "env_logger"
 version = "0.6.0"
@@ -815,9 +725,9 @@ name = "failure_derive"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -831,7 +741,7 @@ name = "fdlimit"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -852,9 +762,9 @@ name = "fixed-hash"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "static_assertions 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -884,7 +794,7 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "libloading 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -938,16 +848,6 @@ dependencies = [
  "typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "getset"
-version = "0.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.13.11 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "glob"
 version = "0.2.11"
@@ -961,42 +861,27 @@ dependencies = [
  "aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "h2"
-version = "0.1.14"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "string 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "handlebars"
-version = "0.32.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "pest 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "pest_derive 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "hash-db"
 version = "0.9.0"
@@ -1004,10 +889,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "hash256-std-hasher"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crunchy 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1059,7 +944,7 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1091,7 +976,7 @@ dependencies = [
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1100,20 +985,20 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.12.19"
+version = "0.12.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1131,7 +1016,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-normalization 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1148,7 +1033,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1171,50 +1056,18 @@ name = "iovec"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "isatty"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.50 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "itertools"
-version = "0.4.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "itertools"
-version = "0.5.10"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "either 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "itertools"
-version = "0.7.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "either 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "itertools-num"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "itoa"
 version = "0.4.3"
@@ -1223,21 +1076,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "jsonrpc-core"
 version = "9.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git#24b9befa3389d9aa64b49b2573d1250143f17743"
+source = "git+https://github.com/paritytech/jsonrpc.git#789c74ddc0e4ecdcb1355012e09435f8ff94ce7f"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "jsonrpc-http-server"
 version = "9.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git#24b9befa3389d9aa64b49b2573d1250143f17743"
+source = "git+https://github.com/paritytech/jsonrpc.git#789c74ddc0e4ecdcb1355012e09435f8ff94ce7f"
 dependencies = [
- "hyper 0.12.19 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.12.23 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
  "jsonrpc-server-utils 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1248,17 +1101,17 @@ dependencies = [
 [[package]]
 name = "jsonrpc-macros"
 version = "9.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git#24b9befa3389d9aa64b49b2573d1250143f17743"
+source = "git+https://github.com/paritytech/jsonrpc.git#789c74ddc0e4ecdcb1355012e09435f8ff94ce7f"
 dependencies = [
  "jsonrpc-core 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
  "jsonrpc-pubsub 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "jsonrpc-pubsub"
 version = "9.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git#24b9befa3389d9aa64b49b2573d1250143f17743"
+source = "git+https://github.com/paritytech/jsonrpc.git#789c74ddc0e4ecdcb1355012e09435f8ff94ce7f"
 dependencies = [
  "jsonrpc-core 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1268,7 +1121,7 @@ dependencies = [
 [[package]]
 name = "jsonrpc-server-utils"
 version = "9.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git#24b9befa3389d9aa64b49b2573d1250143f17743"
+source = "git+https://github.com/paritytech/jsonrpc.git#789c74ddc0e4ecdcb1355012e09435f8ff94ce7f"
 dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "globset 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1284,24 +1137,24 @@ dependencies = [
 [[package]]
 name = "jsonrpc-ws-server"
 version = "9.0.0"
-source = "git+https://github.com/paritytech/jsonrpc.git#24b9befa3389d9aa64b49b2573d1250143f17743"
+source = "git+https://github.com/paritytech/jsonrpc.git#789c74ddc0e4ecdcb1355012e09435f8ff94ce7f"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
  "jsonrpc-server-utils 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ws 0.7.9 (git+https://github.com/tomusdrw/ws-rs)",
 ]
 
 [[package]]
 name = "keccak-hasher"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "hash256-std-hasher 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash256-std-hasher 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1365,7 +1218,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.46"
+version = "0.2.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1373,19 +1226,19 @@ name = "libloading"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "libp2p"
-version = "0.2.0"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core-derive 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core-derive 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-dns 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-floodsub 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-identify 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1402,7 +1255,7 @@ dependencies = [
  "libp2p-yamux 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "stdweb 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stdweb 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1410,7 +1263,7 @@ dependencies = [
 
 [[package]]
 name = "libp2p-core"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bs58 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1422,10 +1275,10 @@ dependencies = [
  "parity-multiaddr 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "protobuf 2.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1434,11 +1287,11 @@ dependencies = [
 
 [[package]]
 name = "libp2p-core-derive"
-version = "0.2.0"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1447,7 +1300,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-dns-unofficial 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1464,10 +1317,10 @@ dependencies = [
  "cuckoofilter 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "protobuf 2.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1481,12 +1334,12 @@ dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "protobuf 2.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1505,16 +1358,16 @@ dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-identify 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-ping 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "protobuf 2.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1530,11 +1383,11 @@ dependencies = [
  "data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "dns-parser 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1550,7 +1403,7 @@ dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1566,11 +1419,11 @@ dependencies = [
  "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1583,7 +1436,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1594,7 +1447,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aio-limited 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1613,15 +1466,15 @@ dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "hmac 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "protobuf 2.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "secp256k1 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "secp256k1 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "stdweb 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stdweb 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "twofish 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1633,7 +1486,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tk-listen 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1647,7 +1500,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1659,11 +1512,11 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "stdweb 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stdweb 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "websocket 0.21.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1674,7 +1527,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "yamux 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1686,9 +1539,9 @@ version = "5.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bindgen 0.43.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "make-cmd 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1755,7 +1608,7 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro-hack 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1765,12 +1618,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memchr"
-version = "2.1.2"
+version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1780,7 +1632,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memory-db"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1810,11 +1662,11 @@ dependencies = [
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1826,7 +1678,7 @@ dependencies = [
  "lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1835,7 +1687,7 @@ version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1858,7 +1710,7 @@ dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1878,14 +1730,14 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "schannel 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "security-framework 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "security-framework-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1895,7 +1747,7 @@ version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1905,9 +1757,9 @@ version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1968,7 +1820,7 @@ dependencies = [
  "substrate-primitives 0.1.0",
  "substrate-state-machine 0.1.0",
  "substrate-trie 0.4.0",
- "trie-root 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-root 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "wabt 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1978,9 +1830,9 @@ version = "0.1.0"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "pretty_assertions 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
  "substrate-primitives 0.1.0",
@@ -1996,9 +1848,9 @@ dependencies = [
  "node-primitives 0.1.0",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
  "sr-version 0.1.0",
@@ -2040,7 +1892,7 @@ name = "nom"
 version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2051,33 +1903,17 @@ dependencies = [
  "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "num-traits"
-version = "0.1.43"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "num-traits"
 version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "num_cpus"
-version = "0.2.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "num_cpus"
 version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2091,7 +1927,7 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2113,7 +1949,7 @@ dependencies = [
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-sys 0.9.40 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2127,8 +1963,8 @@ name = "openssl-sys"
 version = "0.9.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2160,7 +1996,7 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2168,9 +2004,9 @@ name = "parity-codec-derive"
 version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2194,7 +2030,7 @@ dependencies = [
  "byteorder 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2204,7 +2040,7 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "blake2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2216,7 +2052,7 @@ name = "parity-wasm"
 version = "0.31.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2260,9 +2096,9 @@ name = "parking_lot_core"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2271,10 +2107,10 @@ name = "parking_lot_core"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2283,10 +2119,10 @@ name = "parking_lot_core"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2300,35 +2136,11 @@ name = "percent-encoding"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "pest"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "pest_derive"
-version = "1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "pest 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "pkg-config"
 version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "pretty_assertions"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "ansi_term 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "difference 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "pretty_assertions"
 version = "0.5.1"
@@ -2372,7 +2184,7 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "0.4.24"
+version = "0.4.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2380,7 +2192,7 @@ dependencies = [
 
 [[package]]
 name = "protobuf"
-version = "2.2.2"
+version = "2.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2388,7 +2200,7 @@ name = "pwasm-utils"
 version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-wasm 0.31.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2403,11 +2215,6 @@ name = "quick-error"
 version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "quote"
-version = "0.3.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "quote"
 version = "0.5.2"
@@ -2418,10 +2225,10 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "0.6.10"
+version = "0.6.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2430,17 +2237,19 @@ version = "0.3.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand"
-version = "0.4.3"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2451,23 +2260,23 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_os 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_os 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_pcg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2478,8 +2287,8 @@ name = "rand_chacha"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2487,12 +2296,20 @@ name = "rand_core"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand_core"
-version = "0.3.0"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2500,7 +2317,7 @@ name = "rand_hc"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2508,18 +2325,19 @@ name = "rand_isaac"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand_os"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2528,7 +2346,7 @@ name = "rand_pcg"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2537,7 +2355,16 @@ name = "rand_xorshift"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand_core 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rand_xoshiro"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2557,13 +2384,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rdrand"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "redox_syscall"
-version = "0.1.50"
+version = "0.1.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2571,7 +2406,7 @@ name = "redox_termios"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "redox_syscall 0.1.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2579,38 +2414,18 @@ name = "ref_thread_local"
 version = "0.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "regex"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "regex"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "regex-syntax"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "regex-syntax"
 version = "0.6.4"
@@ -2644,9 +2459,9 @@ name = "ring"
 version = "0.13.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2655,7 +2470,7 @@ name = "rocksdb"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "librocksdb-sys 5.14.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2665,10 +2480,10 @@ version = "0.2.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2676,11 +2491,6 @@ name = "rustc-demangle"
 version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "rustc-hex"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "rustc-hex"
 version = "2.0.1"
@@ -2756,33 +2566,32 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "secp256k1"
-version = "0.12.0"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "security-framework"
-version = "0.2.1"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "security-framework-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "security-framework-sys"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "MacTypes-sys 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "MacTypes-sys 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2800,27 +2609,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.84"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_derive"
-version = "1.0.84"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.34"
+version = "1.0.37"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2859,29 +2668,9 @@ dependencies = [
  "winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "simplelog"
-version = "0.4.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "term 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "simplelog"
-version = "0.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "term 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "slab"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2905,8 +2694,8 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2922,7 +2711,7 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "0.6.7"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2933,15 +2722,15 @@ name = "sr-api-macros"
 version = "0.1.0"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "criterion 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
  "sr-version 0.1.0",
  "substrate-client 0.1.0",
  "substrate-primitives 0.1.0",
  "substrate-test-client 0.1.0",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2967,9 +2756,9 @@ dependencies = [
  "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-std 0.1.0",
  "substrate-primitives 0.1.0",
@@ -3002,8 +2791,8 @@ dependencies = [
  "impl-serde 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
 ]
@@ -3015,7 +2804,7 @@ dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3033,7 +2822,7 @@ dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3054,7 +2843,7 @@ dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3071,7 +2860,7 @@ dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3091,7 +2880,7 @@ dependencies = [
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-wasm 0.31.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "pwasm-utils 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-sandbox 0.1.0",
@@ -3111,7 +2900,7 @@ dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3130,7 +2919,7 @@ dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3147,7 +2936,7 @@ dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3164,7 +2953,7 @@ dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3182,8 +2971,8 @@ dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3203,7 +2992,7 @@ dependencies = [
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ref_thread_local 0.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3219,8 +3008,8 @@ version = "0.1.0"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 0.1.0",
  "substrate-primitives 0.1.0",
 ]
@@ -3233,7 +3022,7 @@ dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3252,7 +3041,7 @@ dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3273,7 +3062,7 @@ dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3289,12 +3078,12 @@ version = "0.1.0"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "mashup 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "once_cell 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "once_cell 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3307,30 +3096,30 @@ dependencies = [
 name = "srml-support-procedural"
 version = "0.1.0"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-api-macros 0.1.0",
  "srml-support-procedural-tools 0.1.0",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "srml-support-procedural-tools"
 version = "0.1.0"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "srml-support-procedural-tools-derive 0.1.0",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "srml-support-procedural-tools-derive"
 version = "0.1.0"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3341,7 +3130,7 @@ dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3356,7 +3145,7 @@ dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3374,7 +3163,7 @@ dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3391,7 +3180,7 @@ dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -3414,13 +3203,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "stdweb"
-version = "0.4.12"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "discard 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "stdweb-derive 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "stdweb-internal-macros 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stdweb-internal-macros 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "stdweb-internal-runtime 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3429,26 +3218,26 @@ name = "stdweb-derive"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "stdweb-internal-macros"
-version = "0.2.4"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base-x 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3466,7 +3255,7 @@ dependencies = [
 
 [[package]]
 name = "string"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -3489,9 +3278,9 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3499,7 +3288,7 @@ name = "subkey"
 version = "0.1.0"
 dependencies = [
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-primitives 0.1.0",
 ]
 
@@ -3511,7 +3300,7 @@ dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "node-cli 0.1.0",
- "vergen 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vergen 3.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3538,7 +3327,7 @@ dependencies = [
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.5.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "exit-future 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3556,7 +3345,7 @@ dependencies = [
  "substrate-service 0.3.0",
  "substrate-telemetry 0.3.0",
  "sysinfo 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "time 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3619,10 +3408,10 @@ dependencies = [
 name = "substrate-consensus-aura"
 version = "0.1.0"
 dependencies = [
- "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
@@ -3707,7 +3496,7 @@ name = "substrate-executor"
 version = "0.1.0"
 dependencies = [
  "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3715,8 +3504,8 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-version 0.1.0",
  "substrate-primitives 0.1.0",
@@ -3731,14 +3520,14 @@ dependencies = [
 name = "substrate-finality-grandpa"
 version = "0.1.0"
 dependencies = [
- "env_logger 0.5.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "finality-grandpa 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
  "substrate-client 0.1.0",
  "substrate-consensus-common 0.1.0",
@@ -3790,10 +3579,10 @@ dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-crypto 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-primitives 0.1.0",
  "subtle 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3804,7 +3593,7 @@ name = "substrate-network"
 version = "0.1.0"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "linked-hash-map 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3812,8 +3601,8 @@ dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
  "substrate-client 0.1.0",
  "substrate-consensus-common 0.1.0",
@@ -3833,14 +3622,14 @@ dependencies = [
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3854,20 +3643,20 @@ version = "0.1.0"
 dependencies = [
  "base58 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "hash256-std-hasher 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash256-std-hasher 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-serde 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "pretty_assertions 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "primitive-types 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 0.1.0",
  "substrate-serializer 0.1.0",
  "twox-hash 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3889,9 +3678,9 @@ dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
  "sr-version 0.1.0",
  "substrate-client 0.1.0",
@@ -3912,7 +3701,7 @@ dependencies = [
  "jsonrpc-pubsub 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
  "jsonrpc-ws-server 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
  "substrate-rpc 0.1.0",
 ]
@@ -3921,8 +3710,8 @@ dependencies = [
 name = "substrate-serializer"
 version = "0.1.0"
 dependencies = [
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3936,9 +3725,9 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
@@ -3961,10 +3750,10 @@ dependencies = [
 name = "substrate-service-test"
 version = "0.3.0"
 dependencies = [
- "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
  "substrate-client 0.1.0",
  "substrate-consensus-common 0.1.0",
@@ -3979,7 +3768,7 @@ dependencies = [
 name = "substrate-state-db"
 version = "0.1.0"
 dependencies = [
- "env_logger 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3999,8 +3788,8 @@ dependencies = [
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-primitives 0.1.0",
  "substrate-trie 0.4.0",
- "trie-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "trie-root 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-db 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-root 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4040,8 +3829,8 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0",
  "sr-primitives 0.1.0",
  "sr-std 0.1.0",
@@ -4064,8 +3853,8 @@ dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
  "substrate-test-runtime 0.1.0",
 ]
@@ -4091,17 +3880,17 @@ dependencies = [
 name = "substrate-trie"
 version = "0.4.0"
 dependencies = [
- "criterion 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "keccak-hasher 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memory-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "keccak-hasher 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memory-db 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-primitives 0.1.0",
- "trie-bench 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "trie-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "trie-root 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "trie-standardmap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-bench 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-db 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-root 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-standardmap 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4116,50 +3905,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "0.11.11"
+version = "0.15.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "quote 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "syn"
-version = "0.13.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "syn"
-version = "0.15.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "synom"
-version = "0.11.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "synstructure"
 version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "proc-macro2 0.4.24 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4169,7 +3930,7 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -4189,7 +3950,7 @@ name = "tempdir"
 version = "0.3.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4199,31 +3960,13 @@ version = "3.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "term"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "term"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "termcolor"
 version = "1.0.4"
@@ -4237,8 +3980,8 @@ name = "termion"
 version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4250,11 +3993,6 @@ dependencies = [
  "unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "thread-scoped"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "thread_local"
 version = "0.3.6"
@@ -4265,11 +4003,11 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.41"
+version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.50 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4281,6 +4019,15 @@ dependencies = [
  "crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "tinytemplate"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "tk-listen"
 version = "0.2.1"
@@ -4403,7 +4150,7 @@ dependencies = [
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -4432,7 +4179,7 @@ dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4443,7 +4190,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4479,7 +4226,7 @@ dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4495,33 +4242,33 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "trie-bench"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "criterion 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "keccak-hasher 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memory-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "keccak-hasher 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memory-db 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "trie-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "trie-root 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "trie-standardmap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-db 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-root 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-standardmap 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "trie-db"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "elastic-array 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "trie-root"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4529,12 +4276,12 @@ dependencies = [
 
 [[package]]
 name = "trie-standardmap"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "criterion 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "criterion 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "keccak-hasher 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "keccak-hasher 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4557,7 +4304,7 @@ name = "twox-hash"
 version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "rand 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4580,7 +4327,7 @@ name = "uint"
 version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "crunchy 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4612,8 +4359,11 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.7"
+version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "unicode-segmentation"
@@ -4625,11 +4375,6 @@ name = "unicode-width"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "unicode-xid"
-version = "0.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "unicode-xid"
 version = "0.1.0"
@@ -4684,13 +4429,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "vergen"
-version = "2.1.3"
+version = "3.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "getset 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4708,18 +4452,18 @@ name = "wabt"
 version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.84 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "wabt-sys 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wabt-sys 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wabt-sys"
-version = "0.5.3"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "cmake 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -4749,7 +4493,7 @@ name = "wasmi"
 version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-wasm 0.31.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -4761,7 +4505,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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  "bitflags 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
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  "hyper 0.10.15 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4780,7 +4524,7 @@ name = "which"
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 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4834,15 +4578,15 @@ name = "ws"
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 dependencies = [
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+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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-"checksum unicode-normalization 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "6a0180bc61fc5a987082bfa111f4cc95c4caff7f9799f3e46df09163a937aa25"
+"checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
 "checksum unicode-segmentation 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "aa6024fc12ddfd1c6dbc14a80fa2324d4568849869b779f6bd37e5e4c03344d1"
 "checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
-"checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
 "checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
 "checksum unsigned-varint 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5fb8abc4b7d8158bdfbbaaccc35331ed3c30c2673e99000d7ae665a2eb6576f4"
@@ -5282,11 +4997,11 @@ dependencies = [
 "checksum utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "796f7e48bef87609f7ade7e06495a87d5cd06c7866e6a5cbfceffc558a243737"
 "checksum vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "def296d3eb3b12371b2c7d0e83bfe1403e4db2d7a0bba324a12b21c4ee13143d"
 "checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
-"checksum vergen 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "93fb2d57fbc535fcd45548c99b141d2d960995daaf04b864c4d9fe1ea011c819"
+"checksum vergen 3.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "6aba5e34f93dc7051dfad05b98a18e9156f27e7b431fe1d2398cb6061c0a1dba"
 "checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum wabt 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)" = "74e463a508e390cc7447e70f640fbf44ad52e1bd095314ace1fdf99516d32add"
-"checksum wabt-sys 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "462336bb61096e64761730e0dea1bc8b777bd4e3689c7e813c81f1cfdf4e8a51"
+"checksum wabt-sys 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a6265b25719e82598d104b3717375e37661d41753e2c84cde3f51050c7ed7e3c"
 "checksum walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d9d7ed3431229a144296213105a390676cc49c9b6a72bd19f3176c98e129fa1"
 "checksum want 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "797464475f30ddb8830cc529aaaae648d581f99e2036a928877dfde027ddf6b3"
 "checksum wasmi 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "21ef487a11df1ed468cf613c78798c26282da5c30e9d49f824872d4c77b47d1d"
diff --git a/substrate/Cargo.toml b/substrate/Cargo.toml
index 5d38f53648..6e6834068c 100644
--- a/substrate/Cargo.toml
+++ b/substrate/Cargo.toml
@@ -15,7 +15,7 @@ futures = "0.1"
 ctrlc = { version = "3.0", features = ["termination"] }
 
 [build-dependencies]
-vergen = "2"
+vergen = "3"
 
 [workspace]
 members = [
diff --git a/substrate/build.rs b/substrate/build.rs
index ef920cc6d2..82277bf707 100644
--- a/substrate/build.rs
+++ b/substrate/build.rs
@@ -16,16 +16,11 @@
 
 extern crate vergen;
 
-use vergen::{ConstantsFlags, Vergen};
+use vergen::{ConstantsFlags, generate_cargo_keys};
 
 const ERROR_MSG: &'static str = "Failed to generate metadata files";
 
 fn main() {
-	let vergen = Vergen::new(ConstantsFlags::all()).expect(ERROR_MSG);
-
-	for (k, v) in vergen.build_info() {
-		println!("cargo:rustc-env={}={}", k.name(), v);
-	}
-
+	generate_cargo_keys(ConstantsFlags::all()).expect(ERROR_MSG);
 	println!("cargo:rerun-if-changed=.git/HEAD");
 }
diff --git a/substrate/core/cli/Cargo.toml b/substrate/core/cli/Cargo.toml
index 01b8f88c07..1d3ef9254b 100644
--- a/substrate/core/cli/Cargo.toml
+++ b/substrate/core/cli/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 [dependencies]
 clap = "~2.32"
 backtrace = "0.3"
-env_logger = "0.5"
+env_logger = "0.6"
 error-chain = "0.12"
 log = "0.4"
 atty = "0.2"
diff --git a/substrate/core/client/db/Cargo.toml b/substrate/core/client/db/Cargo.toml
index 2638258569..473f844980 100644
--- a/substrate/core/client/db/Cargo.toml
+++ b/substrate/core/client/db/Cargo.toml
@@ -10,7 +10,7 @@ log = "0.4"
 kvdb = { git = "https://github.com/paritytech/parity-common", rev="b0317f649ab2c665b7987b8475878fc4d2e1f81d" }
 # FIXME replace with release as soon as our rocksdb changes are released upstream https://github.com/paritytech/parity-common/issues/88
 kvdb-rocksdb = { git = "https://github.com/paritytech/parity-common", rev="b0317f649ab2c665b7987b8475878fc4d2e1f81d" }
-lru-cache = "0.1"
+lru-cache = "0.1.1"
 hash-db = { version = "0.9" }
 primitives = { package = "substrate-primitives", path = "../../primitives" }
 runtime_primitives = { package = "sr-primitives", path = "../../sr-primitives" }
diff --git a/substrate/core/consensus/aura/Cargo.toml b/substrate/core/consensus/aura/Cargo.toml
index e028aabcdf..9451d418d6 100644
--- a/substrate/core/consensus/aura/Cargo.toml
+++ b/substrate/core/consensus/aura/Cargo.toml
@@ -21,7 +21,7 @@ futures = "0.1.17"
 tokio = "0.1.7"
 parking_lot = "0.7.1"
 error-chain = "0.12"
-log = "0.3"
+log = "0.4"
 consensus_common = { package = "substrate-consensus-common", path = "../common" }
 
 [dev-dependencies]
@@ -30,4 +30,4 @@ substrate-executor = { path = "../../executor" }
 network = { package = "substrate-network", path = "../../network", features = ["test-helpers"]}
 service = { package = "substrate-service", path = "../../service" }
 test_client = { package = "substrate-test-client", path = "../../test-client" }
-env_logger = "0.4"
+env_logger = "0.6"
\ No newline at end of file
diff --git a/substrate/core/consensus/aura/src/lib.rs b/substrate/core/consensus/aura/src/lib.rs
index 8030713e56..25bf983de6 100644
--- a/substrate/core/consensus/aura/src/lib.rs
+++ b/substrate/core/consensus/aura/src/lib.rs
@@ -781,7 +781,7 @@ mod tests {
 
 	#[test]
 	fn authoring_blocks() {
-		::env_logger::init().ok();
+		let _ = ::env_logger::try_init();
 		let mut net = AuraTestNet::new(3);
 
 		net.start();
diff --git a/substrate/core/finality-grandpa/Cargo.toml b/substrate/core/finality-grandpa/Cargo.toml
index 896b1dbf8d..c095191f26 100644
--- a/substrate/core/finality-grandpa/Cargo.toml
+++ b/substrate/core/finality-grandpa/Cargo.toml
@@ -27,7 +27,7 @@ features = ["derive-codec"]
 substrate-network = { path = "../network", features = ["test-helpers"] }
 substrate-keyring = { path = "../keyring" }
 substrate-test-client = { path = "../test-client"}
-env_logger = "0.5"
+env_logger = "0.6"
 
 [features]
 default = ["service-integration"]
diff --git a/substrate/core/keystore/Cargo.toml b/substrate/core/keystore/Cargo.toml
index 9d31557b42..332d22000b 100644
--- a/substrate/core/keystore/Cargo.toml
+++ b/substrate/core/keystore/Cargo.toml
@@ -8,7 +8,7 @@ substrate-primitives = { path = "../primitives" }
 parity-crypto = { version = "0.2", default-features = false }
 error-chain = "0.12"
 hex = "0.3"
-rand = "0.4"
+rand = "0.6"
 serde_json = "1.0"
 serde = "1.0"
 serde_derive = "1.0"
diff --git a/substrate/core/keystore/src/lib.rs b/substrate/core/keystore/src/lib.rs
index 42b66eb14e..130835f6bb 100644
--- a/substrate/core/keystore/src/lib.rs
+++ b/substrate/core/keystore/src/lib.rs
@@ -77,7 +77,7 @@ struct EncryptedKey {
 
 impl EncryptedKey {
 	fn encrypt(plain: &[u8; PKCS_LEN], password: &str, iterations: u32) -> Self {
-		use rand::{Rng, OsRng};
+		use rand::{Rng, rngs::OsRng};
 
 		let mut rng = OsRng::new().expect("OS Randomness available on all supported platforms; qed");
 
diff --git a/substrate/core/network-libp2p/Cargo.toml b/substrate/core/network-libp2p/Cargo.toml
index d5fcb72d11..65235da5b9 100644
--- a/substrate/core/network-libp2p/Cargo.toml
+++ b/substrate/core/network-libp2p/Cargo.toml
@@ -16,7 +16,7 @@ libp2p = { version = "0.2", default-features = false, features = ["secio-rsa", "
 parking_lot = "0.7.1"
 lazy_static = "1.2"
 log = "0.4"
-rand = "0.5.0"
+rand = "0.6"
 serde = "1.0.70"
 serde_derive = "1.0.70"
 serde_json = "1.0.24"
diff --git a/substrate/core/network/Cargo.toml b/substrate/core/network/Cargo.toml
index c38d3695c9..05a5e2303c 100644
--- a/substrate/core/network/Cargo.toml
+++ b/substrate/core/network/Cargo.toml
@@ -14,8 +14,8 @@ error-chain = "0.12"
 bitflags = "1.0"
 futures = "0.1.17"
 linked-hash-map = "0.5"
-rustc-hex = "1.0"
-rand = "0.5"
+rustc-hex = "2.0"
+rand = "0.6"
 substrate-primitives = { path = "../../core/primitives" }
 substrate-consensus-common = { path = "../../core/consensus/common" }
 substrate-client = { path = "../../core/client" }
@@ -25,12 +25,12 @@ parity-codec-derive = "2.1"
 substrate-network-libp2p = { path = "../../core/network-libp2p" }
 tokio = "0.1.11"
 
-env_logger = { version = "0.4", optional = true }
+env_logger = { version = "0.6", optional = true }
 substrate-keyring = { path = "../../core/keyring", optional = true }
 substrate-test-client = { path = "../../core/test-client", optional = true }
 
 [dev-dependencies]
-env_logger = { version = "0.4" }
+env_logger = { version = "0.6" }
 substrate-keyring = { path = "../../core/keyring" }
 substrate-test-client = { path = "../../core/test-client" }
 
diff --git a/substrate/core/network/src/consensus_gossip.rs b/substrate/core/network/src/consensus_gossip.rs
index 6997abd841..6fa7f941ee 100644
--- a/substrate/core/network/src/consensus_gossip.rs
+++ b/substrate/core/network/src/consensus_gossip.rs
@@ -20,7 +20,7 @@
 use std::collections::{HashMap, HashSet};
 use futures::sync::mpsc;
 use std::time::{Instant, Duration};
-use rand::{self, Rng};
+use rand::{self, seq::SliceRandom};
 use network_libp2p::NodeIndex;
 use runtime_primitives::traits::{Block as BlockT, Header as HeaderT, Hash, HashFor};
 use runtime_primitives::generic::BlockId;
@@ -125,7 +125,7 @@ impl<B: BlockT> ConsensusGossip<B> {
 			.filter_map(|(id, ref peer)| if !peer.is_authority && !peer.known_messages.contains(&(topic, message_hash)) { Some(*id) } else { None })
 			.collect();
 
-		rand::thread_rng().shuffle(&mut non_authorities);
+		non_authorities.shuffle(&mut rand::thread_rng());
 		let non_authorities: HashSet<_> = if non_authorities.is_empty() {
 			HashSet::new()
 		} else {
diff --git a/substrate/core/network/src/protocol.rs b/substrate/core/network/src/protocol.rs
index c89da41d6e..a58bddfd46 100644
--- a/substrate/core/network/src/protocol.rs
+++ b/substrate/core/network/src/protocol.rs
@@ -725,12 +725,12 @@ impl<B: BlockT, S: NetworkSpecialization<B>, H: ExHashT> Protocol<B, S, H> {
 
 	fn on_remote_read_request(&self, io: &mut SyncIo, who: NodeIndex, request: message::RemoteReadRequest<B::Hash>) {
 		trace!(target: "sync", "Remote read request {} from {} ({} at {})",
-			request.id, who, request.key.to_hex(), request.block);
+			request.id, who, request.key.to_hex::<String>(), request.block);
 		let proof = match self.context_data.chain.read_proof(&request.block, &request.key) {
 			Ok(proof) => proof,
 			Err(error) => {
 				trace!(target: "sync", "Remote read request {} from {} ({} at {}) failed with: {}",
-					request.id, who, request.key.to_hex(), request.block, error);
+					request.id, who, request.key.to_hex::<String>(), request.block, error);
 				Default::default()
 			},
 		};
@@ -766,13 +766,13 @@ impl<B: BlockT, S: NetworkSpecialization<B>, H: ExHashT> Protocol<B, S, H> {
 
 	fn on_remote_changes_request(&self, io: &mut SyncIo, who: NodeIndex, request: message::RemoteChangesRequest<B::Hash>) {
 		trace!(target: "sync", "Remote changes proof request {} from {} for key {} ({}..{})",
-			request.id, who, request.key.to_hex(), request.first, request.last);
+			request.id, who, request.key.to_hex::<String>(), request.first, request.last);
 		let key = StorageKey(request.key);
 		let proof = match self.context_data.chain.key_changes_proof(request.first, request.last, request.min, request.max, &key) {
 			Ok(proof) => proof,
 			Err(error) => {
 				trace!(target: "sync", "Remote changes proof request {} from {} for key {} ({}..{}) failed with: {}",
-					request.id, who, key.0.to_hex(), request.first, request.last, error);
+					request.id, who, key.0.to_hex::<String>(), request.first, request.last, error);
 				ChangesProof::<B::Header> {
 					max_block: Zero::zero(),
 					proof: vec![],
diff --git a/substrate/core/network/src/test/sync.rs b/substrate/core/network/src/test/sync.rs
index fbff1463f8..dbea4fdfe2 100644
--- a/substrate/core/network/src/test/sync.rs
+++ b/substrate/core/network/src/test/sync.rs
@@ -23,7 +23,7 @@ use super::*;
 
 #[test]
 fn sync_from_two_peers_works() {
-	::env_logger::init().ok();
+	let _ = ::env_logger::try_init();
 	let mut net = TestNet::new(3);
 	net.peer(1).push_blocks(100, false);
 	net.peer(2).push_blocks(100, false);
@@ -35,7 +35,7 @@ fn sync_from_two_peers_works() {
 
 #[test]
 fn sync_from_two_peers_with_ancestry_search_works() {
-	::env_logger::init().ok();
+	let _ = ::env_logger::try_init();
 	let mut net = TestNet::new(3);
 	net.peer(0).push_blocks(10, true);
 	net.peer(1).push_blocks(100, false);
@@ -57,7 +57,7 @@ fn sync_long_chain_works() {
 
 #[test]
 fn sync_no_common_longer_chain_fails() {
-	::env_logger::init().ok();
+	let _ = ::env_logger::try_init();
 	let mut net = TestNet::new(3);
 	net.peer(0).push_blocks(20, true);
 	net.peer(1).push_blocks(20, false);
@@ -67,13 +67,15 @@ fn sync_no_common_longer_chain_fails() {
 
 #[test]
 fn sync_justifications() {
-	::env_logger::init().ok();
+	let _ = ::env_logger::try_init();
 	let mut net = JustificationTestNet::new(3);
 	net.peer(0).push_blocks(20, false);
 	net.sync();
 
 	// there's currently no justification for block #10
 	assert_eq!(net.peer(0).client().justification(&BlockId::Number(10)).unwrap(), None);
+	assert_eq!(net.peer(1).client().justification(&BlockId::Number(10)).unwrap(), None);
+
 	// we finalize block #10 for peer 0 with a justification
 	net.peer(0).client().finalize_block(BlockId::Number(10), Some(Vec::new()), true).unwrap();
 
@@ -88,7 +90,7 @@ fn sync_justifications() {
 
 #[test]
 fn sync_after_fork_works() {
-	::env_logger::init().ok();
+	let _ = ::env_logger::try_init();
 	let mut net = TestNet::new(3);
 	net.sync_step();
 	net.peer(0).push_blocks(30, false);
@@ -112,7 +114,7 @@ fn sync_after_fork_works() {
 
 #[test]
 fn syncs_all_forks() {
-	::env_logger::init().ok();
+	let _ = ::env_logger::try_init();
 	let mut net = TestNet::new(4);
 	net.sync_step();
 	net.peer(0).push_blocks(2, false);
@@ -129,7 +131,7 @@ fn syncs_all_forks() {
 
 #[test]
 fn own_blocks_are_announced() {
-	::env_logger::init().ok();
+	let _ = ::env_logger::try_init();
 	let mut net = TestNet::new(3);
 	net.sync(); // connect'em
 	net.peer(0).generate_blocks(1, BlockOrigin::Own, |builder| builder.bake().unwrap());
@@ -146,7 +148,7 @@ fn own_blocks_are_announced() {
 
 #[test]
 fn blocks_are_not_announced_by_light_nodes() {
-	::env_logger::init().ok();
+	let _ = ::env_logger::try_init();
 	let mut net = TestNet::new(0);
 
 	// full peer0 is connected to light peer
diff --git a/substrate/core/primitives/Cargo.toml b/substrate/core/primitives/Cargo.toml
index af1d26c848..4cc755a35b 100644
--- a/substrate/core/primitives/Cargo.toml
+++ b/substrate/core/primitives/Cargo.toml
@@ -25,7 +25,7 @@ blake2-rfc = { version = "0.2.18", optional = true }
 
 [dev-dependencies]
 substrate-serializer = { path = "../serializer" }
-pretty_assertions = "0.4"
+pretty_assertions = "0.5"
 heapsize = "0.4"
 
 [features]
diff --git a/substrate/core/service/test/Cargo.toml b/substrate/core/service/test/Cargo.toml
index 12282b16f1..4d53fbb21f 100644
--- a/substrate/core/service/test/Cargo.toml
+++ b/substrate/core/service/test/Cargo.toml
@@ -7,8 +7,8 @@ authors = ["Parity Technologies <admin@parity.io>"]
 tempdir = "0.3"
 tokio = "0.1.7"
 futures = "0.1"
-log = "0.3"
-env_logger = "0.4"
+log = "0.4"
+env_logger = "0.6"
 fdlimit = "0.1"
 substrate-service = { path = "../../../core/service" }
 substrate-network = { path = "../../../core/network" }
diff --git a/substrate/core/service/test/src/lib.rs b/substrate/core/service/test/src/lib.rs
index c179a8f562..97ad89bcdb 100644
--- a/substrate/core/service/test/src/lib.rs
+++ b/substrate/core/service/test/src/lib.rs
@@ -140,7 +140,7 @@ fn node_config<F: ServiceFactory> (
 
 impl<F: ServiceFactory> TestNet<F> {
 	fn new(temp: &TempDir, spec: FactoryChainSpec<F>, full: u32, light: u32, authorities: Vec<String>, base_port: u16) -> TestNet<F> {
-		::env_logger::init().ok();
+		let _ = ::env_logger::try_init();
 		::fdlimit::raise_fd_limit();
 		let runtime = Runtime::new().expect("Error creating tokio runtime");
 		let mut net = TestNet {
diff --git a/substrate/core/state-db/Cargo.toml b/substrate/core/state-db/Cargo.toml
index a0d7e1b137..dc938a2c17 100644
--- a/substrate/core/state-db/Cargo.toml
+++ b/substrate/core/state-db/Cargo.toml
@@ -11,4 +11,4 @@ parity-codec = "2.2"
 parity-codec-derive = "2.1"
 
 [dev-dependencies]
-env_logger = "0.4"
+env_logger = "0.6"
diff --git a/substrate/core/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.compact.wasm b/substrate/core/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.compact.wasm
index 16a56bcade..d767186a98 100644
Binary files a/substrate/core/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.compact.wasm and b/substrate/core/test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.compact.wasm differ
diff --git a/substrate/core/trie/Cargo.toml b/substrate/core/trie/Cargo.toml
index 6a27af336b..fc6139daba 100644
--- a/substrate/core/trie/Cargo.toml
+++ b/substrate/core/trie/Cargo.toml
@@ -22,7 +22,7 @@ substrate-primitives = { path = "../primitives" }
 trie-bench = { version = "0.9" }
 trie-standardmap = { version = "0.9" }
 keccak-hasher = { version = "0.2" }
-criterion = "0.1.2"
+criterion = "0.2"
 hex-literal = "0.1.0"
 
 [features]
diff --git a/substrate/node/primitives/Cargo.toml b/substrate/node/primitives/Cargo.toml
index bb9921f704..2f8c5a16d7 100644
--- a/substrate/node/primitives/Cargo.toml
+++ b/substrate/node/primitives/Cargo.toml
@@ -14,7 +14,7 @@ sr-primitives = { path = "../../core/sr-primitives", default-features = false }
 
 [dev-dependencies]
 substrate-serializer = { path = "../../core/serializer" }
-pretty_assertions = "0.4"
+pretty_assertions = "0.5"
 
 [features]
 default = ["std"]
diff --git a/substrate/node/runtime/Cargo.toml b/substrate/node/runtime/Cargo.toml
index ad644fa3a3..1e75d8307d 100644
--- a/substrate/node/runtime/Cargo.toml
+++ b/substrate/node/runtime/Cargo.toml
@@ -32,7 +32,7 @@ srml-sudo = { path = "../../srml/sudo", default-features = false }
 srml-upgrade-key = { path = "../../srml/upgrade-key", default-features = false }
 node-primitives = { path = "../primitives", default-features = false }
 substrate-consensus-aura-primitives = { path = "../../core/consensus/aura/primitives", default-features = false }
-rustc-hex = { version = "1.0", optional = true }
+rustc-hex = { version = "2.0", optional = true }
 hex-literal = { version = "0.1.0", optional = true }
 serde = { version = "1.0", optional = true }
 substrate-keyring = { path = "../../core/keyring", optional = true }
diff --git a/substrate/node/runtime/wasm/Cargo.lock b/substrate/node/runtime/wasm/Cargo.lock
index 29511a0dcc..8c4900ee6c 100644
--- a/substrate/node/runtime/wasm/Cargo.lock
+++ b/substrate/node/runtime/wasm/Cargo.lock
@@ -485,7 +485,7 @@ dependencies = [
  "node-primitives 0.1.0",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.81 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0",
@@ -835,11 +835,6 @@ name = "rustc-demangle"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "rustc-hex"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "rustc-hex"
 version = "2.0.1"
@@ -2022,7 +2017,6 @@ dependencies = [
 "checksum redox_syscall 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)" = "679da7508e9a6390aeaf7fbd02a800fdc64b73fe2204dd2c8ae66d22d9d5ad5d"
 "checksum ring 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)" = "2c4db68a2e35f3497146b7e4563df7d4773a2433230c5e4b448328e31740458a"
 "checksum rustc-demangle 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "bcfe5b13211b4d78e5c2cadfebd7769197d95c639c35a50057eb4c05de811395"
-"checksum rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0ceb8ce7a5e520de349e1fa172baeba4a9e8d5ef06c47471863530bc4972ee1e"
 "checksum rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "403bb3a286107a04825a5f82e1270acc1e14028d3d554d7a1e08914549575ab8"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
 "checksum ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "eb9e9b8cde282a9fe6a42dd4681319bfb63f121b8a8ee9439c6f4107e58a46f7"
diff --git a/substrate/node/runtime/wasm/target/wasm32-unknown-unknown/release/node_runtime.compact.wasm b/substrate/node/runtime/wasm/target/wasm32-unknown-unknown/release/node_runtime.compact.wasm
index d8eedb7468..7200683148 100644
Binary files a/substrate/node/runtime/wasm/target/wasm32-unknown-unknown/release/node_runtime.compact.wasm and b/substrate/node/runtime/wasm/target/wasm32-unknown-unknown/release/node_runtime.compact.wasm differ
diff --git a/substrate/subkey/Cargo.toml b/substrate/subkey/Cargo.toml
index 9e4249d54d..2ec76a7198 100644
--- a/substrate/subkey/Cargo.toml
+++ b/substrate/subkey/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 
 [dependencies]
 substrate-primitives = { version = "*", path = "../core/primitives" }
-rand = "0.4"
+rand = "0.6"
 clap = { version = "~2.32", features = ["yaml"] }
 
 [features]
diff --git a/substrate/subkey/src/main.rs b/substrate/subkey/src/main.rs
index 48b9a67654..facc72c155 100644
--- a/substrate/subkey/src/main.rs
+++ b/substrate/subkey/src/main.rs
@@ -23,7 +23,7 @@ extern crate rand;
 #[macro_use]
 extern crate clap;
 
-use rand::{OsRng, Rng};
+use rand::{RngCore, rngs::OsRng};
 use substrate_primitives::{ed25519::Pair, hexdisplay::HexDisplay};
 
 mod vanity;
diff --git a/substrate/subkey/src/vanity.rs b/substrate/subkey/src/vanity.rs
index 9eb621cc55..a621ccd0ef 100644
--- a/substrate/subkey/src/vanity.rs
+++ b/substrate/subkey/src/vanity.rs
@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
-use rand::{OsRng, Rng};
+use rand::{rngs::OsRng, RngCore};
 use substrate_primitives::ed25519::Pair;
 
 fn good_waypoint(done: u64) -> u64 {