Upgrade to rust 1.73.0 (#953)

* Upgrade to rust 1.73.0

* fix clippy

* Add rust-toolchain.toml

Author: zjb0807

.github/workflows/coverage.yml

@@ -31,10 +31,6 @@ jobs:
           submodules: recursive
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@nightly
-        with:
-          toolchain: nightly-2023-04-15
-          components: rustfmt
-          target: wasm32-unknown-unknown
       - name: Generate code coverage
         run: |
           wget https://github.com/xd009642/tarpaulin/releases/download/${{ env.TARPAULIN_VERSION }}/cargo-tarpaulin-${{ env.TARPAULIN_VERSION }}-travis.tar.gz

.github/workflows/master.yml.disabled

@@ -14,8 +14,6 @@ jobs:
     - uses: actions/checkout@v3
     - name: Install toolchain
       uses: dtolnay/rust-toolchain@nightly
-      with:
-        toolchain: nightly-2023-04-15
     - name: Install cargo-unleash
       run: cargo install cargo-unleash --git https://github.com/xlc/cargo-unleash.git # https://github.com/paritytech/cargo-unleash/pull/38
     - name: Prepare

.github/workflows/test.yml

@@ -27,10 +27,6 @@ jobs:
     - uses: actions/checkout@v3
     - name: Install toolchain
       uses: dtolnay/rust-toolchain@nightly
-      with:
-        toolchain: nightly-2023-04-15
-        components: rustfmt
-        target: wasm32-unknown-unknown
     - name: Install Wasm toolchain
       run: rustup target add wasm32-unknown-unknown
     - name: Check format

rust-toolchain.toml

@@ -0,0 +1,4 @@
+[toolchain]
+channel = "1.73.0"
+components = ["rustfmt", "clippy"]
+targets = ["wasm32-unknown-unknown"]