Make Rust :cargo_test into an sh_test target

.github/workflows/test_rust.yml

@@ -27,12 +27,10 @@ jobs:
         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/release_crates:cargo_test"
     name: Linux ${{ matrix.config.name }}
     runs-on: ubuntu-22-4core
@@ -48,6 +46,6 @@ jobs:
           credentials: ${{ secrets.GAR_SERVICE_ACCOUNT }}
           bazel-cache: rust_linux
           bazel: >-
-            ${{ 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
+            test --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 }}
 

rust/release_crates/BUILD

@@ -1,7 +1,7 @@
 # Protobuf Rust crate packaging for release.
 
 # Run the cargo test with only a bundled linux-x86_64 protoc.
-sh_binary(
+sh_test(
     name = "cargo_test",
     srcs = ["cargo_test.sh"],
     data = [