Bump linregress and do some other cleanups (#7580)

substrate/Cargo.lock

@@ -109,17 +109,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "alga"
-version = "0.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f823d037a7ec6ea2197046bafd4ae150e6bc36f9ca347404f46a46823fa84f2"
-dependencies = [
- "approx",
- "num-complex",
- "num-traits",
-]
-
 [[package]]
 name = "ansi_term"
 version = "0.11.0"
@@ -2032,6 +2021,15 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "generic-array"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ed1e761351b56f54eb9dcd0cfaca9fd0daecf93918e1cfc01c8a3d26ee7adcd"
+dependencies = [
+ "typenum",
+]
+
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -3345,11 +3343,10 @@ dependencies = [
 
 [[package]]
 name = "linregress"
-version = "0.1.7"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9290cf6f928576eeb9c096c6fad9d8d452a0a1a70a2bbffa6e36064eedc0aac9"
+checksum = "0d0ad4b5cc8385a881c561fac3501353d63d2a2b7a357b5064d71815c9a92724"
 dependencies = [
- "failure",
  "nalgebra",
  "statrs",
 ]
@@ -3684,18 +3681,19 @@ dependencies = [
 
 [[package]]
 name = "nalgebra"
-version = "0.18.1"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aaa9fddbc34c8c35dd2108515587b8ce0cab396f17977b8c738568e4edb521a2"
+checksum = "d6b6147c3d50b4f3cdabfe2ecc94a0191fd3d6ad58aefd9664cf396285883486"
 dependencies = [
- "alga",
  "approx",
- "generic-array 0.12.3",
+ "generic-array 0.13.2",
  "matrixmultiply",
  "num-complex",
  "num-rational",
  "num-traits",
- "rand 0.6.5",
+ "rand 0.7.3",
+ "rand_distr",
+ "simba",
  "typenum",
 ]
 
@@ -5900,19 +5898,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "rand"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c618c47cd3ebd209790115ab837de41425723956ad3ce2e6a7f09890947cacb9"
-dependencies = [
- "cloudabi 0.0.3",
- "fuchsia-cprng",
- "libc",
- "rand_core 0.3.1",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "rand"
 version = "0.6.5"
@@ -5990,6 +5975,15 @@ dependencies = [
  "getrandom 0.1.15",
 ]
 
+[[package]]
+name = "rand_distr"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96977acbdd3a6576fb1d27391900035bf3863d4a16422973a409b488cf29ffb2"
+dependencies = [
+ "rand 0.7.3",
+]
+
 [[package]]
 name = "rand_hc"
 version = "0.1.0"
@@ -7834,6 +7828,18 @@ version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "29f060a7d147e33490ec10da418795238fd7545bba241504d6b31a409f2e6210"
 
+[[package]]
+name = "simba"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb931b1367faadea6b1ab1c306a860ec17aaa5fa39f367d0c744e69d971a1fb2"
+dependencies = [
+ "approx",
+ "num-complex",
+ "num-traits",
+ "paste 0.1.18",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.2"
@@ -8721,11 +8727,11 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "statrs"
-version = "0.10.0"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10102ac8d55e35db2b3fafc26f81ba8647da2e15879ab686a67e6d19af2685e8"
+checksum = "cce16f6de653e88beca7bd13780d08e09d4489dbca1f9210e041bc4852481382"
 dependencies = [
- "rand 0.5.6",
+ "rand 0.7.3",
 ]
 
 [[package]]