Enable opt and asan Rust GHA tests, and split out the Cargo test to make those failures present more cleanly in GHA (the Cargo test was already using a different docker image than the other tests).

Have the spot for enabling a bzlmod test, currently commented out with a TODO because it would be broken at head.

PiperOrigin-RevId: 698842317

.github/workflows/test_rust.yml

@@ -14,7 +14,27 @@ permissions:
 jobs:
   # This job should be run on presubmit, if any continuous-only tests are added we will need to input test-type above
   linux:
-    name: Linux
+    strategy:
+      fail-fast: false   # Don't cancel all jobs if one fails.
+      matrix:
+        config:
+          - { name: "No bzlmod", flags: --noenable_bzlmod }
+          # TODO: b/379846319 - Fix the tests with bzlmod and enable this.
+          # - { name: "bzlmod", flags: --enable_bzlmod --enable_workspace }
+          - { name: Optimized, flags: --config=opt }
+          - { name: ASAN, flags: --config=asan }
+
+        include:
+          - targets: "//rust/... //src/google/protobuf/compiler/rust/..."
+          - image: "us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.1-97f82260fd504923d8af642d567afb2d83a1959d"
+          - bazel_cmd: "test"
+
+          # Override cases with custom images
+          - config: { name: Cargo }
+            image: "us-docker.pkg.dev/protobuf-build/containers/release/linux/rust:6.3.0-1.74.0-8858126dd9480abf91e6ce8d6e41a5cd3c03882c"
+            bazel_cmd: "run"
+            targets: "//rust:cargo_test"
+    name: Linux ${{ matrix.config.name }}
     runs-on: ubuntu-22-4core
     steps:
       - name: Checkout pending changes
@@ -24,18 +44,10 @@ jobs:
       - name: Run tests
         uses: protocolbuffers/protobuf-ci/bazel-docker@v3
         with:
-          image: "us-docker.pkg.dev/protobuf-build/containers/common/linux/bazel:7.1.1-97f82260fd504923d8af642d567afb2d83a1959d"
-          credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
-          bazel-cache: rust_linux
-          bazel: >-
-            test --cxxopt=-std=c++17 --host_cxxopt=-std=c++17 --@rules_rust//rust/settings:experimental_use_cc_common_link=True
-            //rust/...
-            //src/google/protobuf/compiler/rust/...
-      - name: Run Cargo tests
-        uses: protocolbuffers/protobuf-ci/bazel-docker@v3
-        with:
-          image: "us-docker.pkg.dev/protobuf-build/containers/release/linux/rust:6.3.0-1.74.0-8858126dd9480abf91e6ce8d6e41a5cd3c03882c"
+          image: ${{ matrix.image }}
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: rust_linux
           bazel: >-
-            run --crosstool_top=//toolchain:clang_suite --cxxopt=-std=c++17 --host_cxxopt=-std=c++17 //rust:cargo_test
+            ${{ matrix.bazel_cmd }} --crosstool_top=//toolchain:clang_suite  --cxxopt=-std=c++17 --host_cxxopt=-std=c++17 --@rules_rust//rust/settings:experimental_use_cc_common_link=True
+            ${{ matrix.targets }} ${{ matrix.config.flags }}
+