No sccache.

.github/workflows/tests.yaml

@@ -36,7 +36,7 @@ jobs:
           # Released on: 28 December, 2023
           # Branched from master on: 10 November, 2023
           # https://releases.rs/docs/1.75.0/
-          toolchain: 1.75.0
+          toolchain: 1.78.0
           override: true
           components: rustfmt, clippy
       - name: Install Protoc
@@ -91,11 +91,6 @@ jobs:
     runs-on:
       group: intel-pvc-tgi
 
-    env:
-      SCCACHE_GHA_ENABLED: "on"
-      RUSTC_WRAPPER: /usr/local/bin/sccache
-      SCCACHE: 0.3.3
-
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
@@ -116,28 +111,6 @@ jobs:
         run: |
           rm -rf /usr/local/lib/android # will release about 10 GB if you don't need Android
           rm -rf /usr/share/dotnet # will release about 20GB if you don't need .NET
-      - name: Install sccache
-        run: |
-          curl -fsSL https://github.com/mozilla/sccache/releases/download/v$SCCACHE/sccache-v$SCCACHE-x86_64-unknown-linux-musl.tar.gz | tar -xzv --strip-components=1 -C /opt/ sccache-v$SCCACHE-x86_64-unknown-linux-musl/sccache
-          chmod +x /usr/bin/sccache
-      - name: configure sccache
-        uses: actions/github-script@v6
-        with:
-          script: |
-            core.exportVariable('ACTIONS_CACHE_URL', process.env.ACTIONS_CACHE_URL || '');
-            core.exportVariable('ACTIONS_RUNTIME_TOKEN', process.env.ACTIONS_RUNTIME_TOKEN || '');
-            core.exportVariable('SCCACHE_GHA_CACHE_TO', 'sccache-${{runner.os}}-${{github.ref_name}}');
-            core.exportVariable('SCCACHE_GHA_CACHE_FROM', 'sccache-${{runner.os}}-main,sccache-${{runner.os}}-');
-      - name: cargo registry cache
-        uses: actions/cache@v3
-        with:
-          key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.toml') }}-${{ github.sha }}
-          restore-keys: |
-            cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.toml') }}-
-            cargo-${{ runner.os }}-
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
       - name: Install
         run: |
           make install
@@ -154,6 +127,3 @@ jobs:
       - name: Run Rust tests
         run: |
           cargo test
-      - name: /opt/sccache stats
-        run: |
-          /opt/sccache --show-stats