Try actions-rs build+test, gcloud build is an app not an action

.github/workflows/main.yml

@@ -10,20 +10,48 @@ on:
 
 jobs:
 
-  build:
-    name: Google Cloud Build
-    runs-on: ubuntu-latest
+  # build:
+  #   name: Google Cloud Build
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #   - uses: actions/checkout@master
+  #   - uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
+  #     with:
+  #       version: '275.0.0'
+  #       service_account_key: ${{ secrets.GCLOUD_AUTH }}
+  #   - name: Build, Test, Push to GCR
+  #     run: |
+  #       BRANCH_NAME=$GITHUB_REPOSITORY/$(expr $GITHUB_REF : '.*/\(.*\)') && \
+  #       BRANCH_NAME=${BRANCH_NAME,,} && \
+  #       gcloud builds submit . --config cloudbuild.yaml --project zealous-zebra --substitutions BRANCH_NAME=$BRANCH_NAME
+
+  test:
+    name: Build and test on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macOS-latest]
+
     steps:
-    - uses: actions/checkout@master
-    - uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
-      with:
-        version: '275.0.0'
-        service_account_key: ${{ secrets.GCLOUD_AUTH }}
-    - name: Build, Test, Push to GCR
-      run: |
-        BRANCH_NAME=$GITHUB_REPOSITORY/$(expr $GITHUB_REF : '.*/\(.*\)') && \
-        BRANCH_NAME=${BRANCH_NAME,,} && \
-        gcloud builds submit . --config cloudbuild.yaml --project zealous-zebra --substitutions BRANCH_NAME=$BRANCH_NAME
+      - uses: actions/checkout@v1
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - name: cargo fetch
+        uses: actions-rs/cargo@v1
+        with:
+          command: fetch
+      - name: Run tests
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --verbose --all
+      - name: Build
+        uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --verbose --release
 
   grcov:
     name: Code Coverage