Update to use actions-rust-lang/setup-rust-toolchain

.github/workflows/test-main-lib.yml

@@ -2,18 +2,20 @@ name: Test main lib (Rust crate)
 on:
   push:
     branches:
-      - main
-#     paths:
-#       - 'src/**'
-#       - 'Cargo.toml'
-#       - 'tests/**'
+    - main
+    paths:
+    - 'src/**'
+    - 'Cargo.toml'
+    - 'tests/**'
+    - '.github/workflows/test-main-lib.yml'
   pull_request:
     branches:
-      - main
+    - main
     paths:
-      - 'src/**'
-      - 'tests/**'
-      - 'Cargo.toml'
+    - 'src/**'
+    - 'tests/**'
+    - 'Cargo.toml'
+    - '.github/workflows/test-main-lib.yml'
 
 jobs:
   test:
@@ -22,50 +24,18 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [macos-latest, ubuntu-latest, windows-latest, self-hosted]
+        os: [macos-latest, ubuntu-latest, windows-latest]
         bitness: [64]  # 32, 64
         include:
-          - os: windows-latest
-            bitness: 32
+        - os: windows-latest
+          bitness: 32
 
     steps:
-      - name: Checkout source code
-        uses: actions/checkout@master
-
-      - name: Setup Rust toolchain - non-win32
-        uses: actions-rs/toolchain@v1
-        with:
-          override: true
-          profile: minimal
-          toolchain: stable
-        if: ${{ !startsWith(matrix.os, 'windows') || matrix.bitness != '32' }}
-
-      - name: Setup Rust toolchain - win32
-        uses: actions-rs/toolchain@v1
-        with:
-          override: true
-          profile: minimal
-          toolchain: stable
-          target: i686-pc-windows-msvc
-        if: startsWith(matrix.os, 'windows') && matrix.bitness == '32'
-
-      - name: Setup Rust dependencies
-        uses: ATiltedTree/setup-rust@v1
-        with:
-          rust-version: 1.65.0
+    - name: Checkout source code
+      uses: actions/checkout@v4
 
-      - name: Cache Rust files
-        uses: actions/cache@v2
-        with:
-          path: |
-            ~/.cargo/bin/
-            ~/.cargo/registry/index/
-            ~/.cargo/registry/cache/
-            ~/.cargo/git/db/
-            target/
-          key: ${{ matrix.os }}-${{ matrix.bitness }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            ${{ matrix.os }}-${{ matrix.bitness }}-cargo-
+    - name: Setup Rust toolchain
+      uses: actions-rust-lang/setup-rust-toolchain@v1
 
-      - name: Test
-        run: cargo test
+    - name: Test
+      run: cargo test