move to rust 2021 (#759)

* move to rust 2021

* fix formatting, more moves

test/client/Cargo.toml

@@ -2,7 +2,7 @@
 name = "cumulus-test-client"
 version = "0.1.0"
 authors = ["Parity Technologies <admin@parity.io>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 sc-service = { git = "https://github.com/paritytech/substrate", branch = "master" }

test/relay-sproof-builder/Cargo.toml

@@ -2,7 +2,7 @@
 name = "cumulus-test-relay-sproof-builder"
 version = '0.1.0'
 authors = ["Parity Technologies <admin@parity.io>"]
-edition = '2018'
+edition = "2021"
 
 [dependencies]
 # Other dependencies

test/relay-validation-worker-provider/Cargo.toml

@@ -2,7 +2,7 @@
 name = "cumulus-test-relay-validation-worker-provider"
 version = "0.1.0"
 authors = ["Parity Technologies <admin@parity.io>"]
-edition = "2018"
+edition = "2021"
 build = "build.rs"
 
 [dependencies]

test/relay-validation-worker-provider/build.rs

@@ -65,7 +65,7 @@ fn create_project(out_dir: &Path) -> PathBuf {
 			name = "{project_name}"
 			version = "0.1.0"
 			authors = ["Parity Technologies <admin@parity.io>"]
-			edition = "2018"
+			edition = "2021"
 
 			[dependencies]
 			cumulus-test-relay-validation-worker-provider = {{ path = "{provider_path}" }}

test/runtime/Cargo.toml

@@ -2,7 +2,7 @@
 name = "cumulus-test-runtime"
 version = "0.1.0"
 authors = ["Parity Technologies <admin@parity.io>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = ["derive"] }

test/service/Cargo.toml

@@ -2,7 +2,7 @@
 name = "cumulus-test-service"
 version = "0.1.0"
 authors = ["Parity Technologies <admin@parity.io>"]
-edition = "2018"
+edition = "2021"
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.3.0" }