feat(ci): add mozilla sccache action

Signed-off-by: Tomasz Andrzejak <andreiltd@gmail.com>

Author: andreiltd

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

@@ -0,0 +1,14 @@
+name: Set up sccache
+description: Install sccache and enable the GitHub Actions cache backend for Rust builds.
+
+runs:
+  using: composite
+  steps:
+    - name: sccache
+      uses: mozilla-actions/sccache-action@9e7fa8a12102821edf02ca5dbea1acd0f89a2696  # v0.0.10
+
+    - name: Configure sccache for Rust
+      shell: bash
+      run: |
+        echo "SCCACHE_GHA_ENABLED=true" >> "$GITHUB_ENV"
+        echo "RUSTC_WRAPPER=sccache" >> "$GITHUB_ENV"

.github/workflows/Coverage.yml

@@ -53,6 +53,9 @@ jobs:
           shared-key: "${{ runner.os }}-debug"
           cache-on-failure: "true"
 
+      - name: Set up sccache
+        uses: ./.github/actions/setup-sccache
+
       - name: Build guest binaries
         run: just guests
 

.github/workflows/PrimeCaches.yml

@@ -99,5 +99,8 @@ jobs:
           # https://docs.github.com/en/actions/reference/workflows-and-actions/dependency-caching#restrictions-for-accessing-a-cache
           save-if: ${{ github.ref == 'refs/heads/main' }}
 
+      - name: Set up sccache
+        uses: ./.github/actions/setup-sccache
+
       - name: Build host
         run: just build ${{ matrix.config }}

.github/workflows/RustNightly.yml

@@ -73,6 +73,9 @@ jobs:
             . -> target
             src/tests/rust_guests -> target
 
+      - name: Set up sccache
+        uses: ./.github/actions/setup-sccache
+
       - name: Install cargo-hyperlight
         run: just ensure-cargo-hyperlight
 
@@ -90,6 +93,8 @@ jobs:
         run: just build ${{ matrix.config }}
 
       - name: Run Miri tests
+        env:
+          RUSTC_WRAPPER: ""
         run: just miri-tests
 
       - name: Run Rust tests

.github/workflows/dep_benchmarks.yml

@@ -100,6 +100,9 @@ jobs:
           shared-key: "${{ runner.os }}-${{ inputs.hypervisor }}-release"
           save-if: "false"
 
+      - name: Set up sccache
+        uses: ./.github/actions/setup-sccache
+
       - name: Download Rust guests
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c  # v8.0.1
         with:

.github/workflows/dep_build_guests.yml

@@ -66,6 +66,9 @@ jobs:
             . -> target
             src/tests/rust_guests -> target
 
+      - name: Set up sccache
+        uses: ./.github/actions/setup-sccache
+
       - name: Install cargo-hyperlight
         run: just ensure-cargo-hyperlight
 

.github/workflows/dep_build_test.yml

@@ -70,6 +70,9 @@ jobs:
           # https://docs.github.com/en/actions/reference/workflows-and-actions/dependency-caching#restrictions-for-accessing-a-cache
           save-if: ${{ github.ref == 'refs/heads/main' }}
 
+      - name: Set up sccache
+        uses: ./.github/actions/setup-sccache
+
       - name: Download Rust guests
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c  # v8.0.1
         with:
@@ -105,6 +108,8 @@ jobs:
 
       - name: Run Miri tests
         if: runner.os == 'Linux'
+        env:
+          RUSTC_WRAPPER: ""
         run: just miri-tests
 
       - name: Run Rust tests

.github/workflows/dep_code_checks.yml

@@ -62,6 +62,9 @@ jobs:
             . -> target
             src/tests/rust_guests -> target
 
+      - name: Set up sccache
+        uses: ./.github/actions/setup-sccache
+
       - name: Ensure up-to-date Cargo.lock
         run: |
           cargo fetch --locked
@@ -128,6 +131,9 @@ jobs:
             . -> target
             src/tests/rust_guests -> target
 
+      - name: Set up sccache
+        uses: ./.github/actions/setup-sccache
+
       - name: Ensure up-to-date Cargo.lock
         run: |
           cargo fetch --locked

.github/workflows/dep_fuzzing.yml

@@ -37,6 +37,9 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Set up sccache
+        uses: ./.github/actions/setup-sccache
+
       - name: Download Rust guests
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c  # v8.0.1
         with:

.github/workflows/dep_run_examples.yml

@@ -67,6 +67,9 @@ jobs:
           shared-key: "${{ runner.os }}-${{ inputs.hypervisor }}-${{ inputs.config }}"
           save-if: "false"
 
+      - name: Set up sccache
+        uses: ./.github/actions/setup-sccache
+
       - name: Download Rust guests
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c  # v8.0.1
         with: