ci(rust): improve workflow

.github/workflows/rust.yml

@@ -8,6 +8,19 @@ on:
     - cron: '42 2 * * 6' # weekly on Saturday 2:42 UTC
 
 jobs:
+  rustfmt:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Setup Rust
+        shell: bash -eux {0}
+        run: |
+          rustup --version
+          rustup show
+          rustup toolchain install stable --profile minimal --component rustfmt
+          rustup default stable
+      - uses: actions/checkout@v3
+      - run: cargo fmt --check --verbose
+
   test:
     name: Test ${{ matrix.toolchain }} ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
@@ -45,12 +58,12 @@ jobs:
             features: --all-features
     steps:
       - name: Setup Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          components: clippy
-          override: true
-          profile: minimal
-          toolchain: ${{ matrix.toolchain }}
+        shell: bash -eux {0}
+        run: |
+          rustup --version
+          rustup show
+          rustup toolchain install ${{ matrix.toolchain }} --profile minimal --component clippy
+          rustup default ${{ matrix.toolchain }}
 
       - uses: actions/checkout@v3
 
@@ -108,24 +121,21 @@ jobs:
             os: windows-2022
     steps:
       - name: Setup Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          override: true
-          profile: minimal
-          target: ${{ matrix.triple }}
-          toolchain: stable
+        shell: bash -eux {0}
+        run: |
+          rustup --version
+          rustup show
+          rustup toolchain install stable --profile minimal --target ${{ matrix.triple }}
+          rustup default stable
 
       - uses: actions/checkout@v3
 
       - name: Fetch dependencies
-        uses: actions-rs/cargo@v1
-        with:
-          command: fetch
-          args: --verbose
+        run: cargo fetch --verbose
 
       - name: Build
         uses: actions-rs/cargo@v1
         with:
           command: build
           args: --release --verbose --all-features --target ${{ matrix.triple }}
-          use-cross: ${{ runner.os == 'Linux' && matrix.triple != 'x86_64-unknown-linux-gnu' }}
+          use-cross: ${{ runner.os == 'Linux' }}