add install rust step

Author: s5suzuki

.github/actions/setup-build/action.yml

@@ -12,13 +12,22 @@ inputs:
     description: 'arch'
     required: false
     default: ''
+  toolchain:
+    description: 'toolchain'
+    required: false
+    default: 'stable'
 runs:
   using: "composite"
   steps:
     - name: Setup Python
       uses: actions/setup-python@v4
       with:
         python-version: "3.12"
+      
+    - name: Setup Rust
+      uses: actions-rust-lang/setup-rust-toolchain@v1
+      with:
+        toolchain: ${{ inputs.toolchain }}
 
     - name: Install Protoc
       uses: arduino/setup-protoc@v2

.github/workflows/build.yml

@@ -37,17 +37,17 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-        
-      - name: Rust cache
-        if: needs.check-src.outputs.status
-        uses: swatinem/rust-cache@v2
 
       - name: Setup
         if: needs.check-src.outputs.status
         uses: ./.github/actions/setup-build
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           os: ${{ matrix.os }}
+        
+      - name: Rust cache
+        if: needs.check-src.outputs.status
+        uses: swatinem/rust-cache@v2
 
       - name: Test src on ${{ matrix.os }}
         if: needs.check-src.outputs.status
@@ -69,17 +69,17 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - name: Rust cache
-        if: needs.check-src.outputs.status
-        uses: swatinem/rust-cache@v2
-
       - name: Setup
         if: needs.check-src.outputs.status
         uses: ./.github/actions/setup-build
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           os: ${{ matrix.os }}
 
+      - name: Rust cache
+        if: needs.check-src.outputs.status
+        uses: swatinem/rust-cache@v2
+
       - name: Test src for unity on ${{ matrix.os }}
         if: needs.check-src.outputs.status
         run: |

.github/workflows/coverage.yml

@@ -36,7 +36,8 @@ jobs:
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           os: ubuntu-latest
-      - uses: dtolnay/rust-toolchain@nightly
+          toolchain: nightly
+
       - name: Install cargo-llvm-cov
         uses: taiki-e/install-action@cargo-llvm-cov