feat(ci): use Swatinem/rust-cache@v2 (#5547)

.github/workflows/test-core.yml

@@ -17,7 +17,6 @@ on:
 
 env:
   RUST_BACKTRACE: 1
-  CARGO_INCREMENTAL: 0 # This is set to 0 by the https://github.com/Swatinem/rust-cache
   CARGO_PROFILE_DEV_DEBUG: 0 # This would add unnecessary bloat to the target folder, decreasing cache efficiency.
 
 concurrency:
@@ -50,6 +49,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+
       - name: install stable
         uses: actions-rs/toolchain@v1
         with:
@@ -62,44 +62,7 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y libgtk-3-dev webkit2gtk-4.0 libayatana-appindicator3-dev librsvg2-dev patchelf
 
-      - name: Get current date
-        run: echo "CURRENT_DATE=$(date +'%Y-%m-%d')" >> $GITHUB_ENV
-        if: matrix.platform.os == 'macos-latest' || matrix.platform.os == 'ubuntu-latest'
-
-      - name: Get current date
-        if: matrix.platform.os == 'windows-latest'
-        run: echo "CURRENT_DATE=$(Get-Date -Format "yyyy-MM-dd")" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
-
-      - name: Cache cargo state
-        uses: actions/cache@v2
-        env:
-          cache-name: cargo_state
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            ~/.cargo/bin
-          key: ${{ matrix.platform.os }}-${{ matrix.platform.toolchain }}-${{ env.cache-name }}-${{ hashFiles('**/Cargo.toml') }}-${{ env.CURRENT_DATE }}
-          restore-keys: |
-            ${{ matrix.platform.os }}-${{ matrix.platform.toolchain }}-${{ env.cache-name }}-${{ hashFiles('**/Cargo.toml') }}-
-            ${{ matrix.platform.os }}-${{ matrix.platform.toolchain }}-${{ env.cache-name }}-
-            ${{ matrix.platform.os }}-${{ matrix.platform.toolchain }}-
-            ${{ matrix.platform.os }}-
-
-      - name: Cache core cargo target
-        uses: actions/cache@v2
-        env:
-          cache-name: cargo-core
-        with:
-          path: target
-          # Add date to the cache to keep it up to date
-          key: ${{ matrix.platform.os }}-${{ matrix.platform.toolchain }}-${{ env.cache-name }}-${{ hashFiles('core/**/Cargo.toml') }}-${{ env.CURRENT_DATE }}
-          # Restore from outdated cache for speed
-          restore-keys: |
-            ${{ matrix.platform.os }}-${{ matrix.platform.toolchain }}-${{ env.cache-name }}-${{ hashFiles('core/**/Cargo.toml') }}
-            ${{ matrix.platform.os }}-${{ matrix.platform.toolchain }}-${{ env.cache-name }}-
-            ${{ matrix.platform.os }}-${{ matrix.platform.toolchain }}-
-            ${{ matrix.platform.os }}-
+      - uses: Swatinem/rust-cache@v2
 
       - name: test
         run: |