Repurpose validate action to debug build targets.

.github/workflows/validate-commit.yml

@@ -10,60 +10,23 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-
-  test:
+  debug-target:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os:
-        - ubuntu-latest
-        - macos-latest
-    steps:
-    - uses: actions/checkout@v2
-    - uses: actions/cache@v2
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target/debug
-        key: test-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}-${{ secrets.CI_CACHE_VERSION }}
-    - run: cargo test
-    # There is a bug with BSD tar on macOS where the first 8MB of the file are
-    # sometimes all NUL bytes. See https://github.com/actions/cache/issues/403
-    # and https://github.com/rust-lang/cargo/issues/8603 for some more
-    # information. An alternative solution here is to install GNU tar, but
-    # flushing the disk cache seems to work, too.
-    - run: sudo purge
-      if: startsWith(matrix.os, 'macos-')
-
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - uses: actions/cache@v2
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target/debug
-        key: lint-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}-${{ secrets.CI_CACHE_VERSION }}
-    - run: cargo clippy -- -D warnings
-
-  format:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - run: cargo fmt --all -- --check
-
-  benchmark:
-    runs-on: ubuntu-latest
+          - macos-latest
+        include:
+          - os: macos-latest
+            artifact_prefix: macos-x86-64
+            target: x86_64-apple-darwin
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/cache@v2
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target/release
-        key: benchmark-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}-${{ secrets.CI_CACHE_VERSION }}
-    - run: cargo bench
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v2
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            target/release
+          key: release-${{ runner.os }}-${{ github.job }}-${{ secrets.CI_CACHE_VERSION }}
+      - run: cargo build --release --target ${{ matrix.target }}