Add `cargo check` to CI

This makes sure that the code builds successfully.

commit-id:d71c5b75

.github/workflows/build.yml

@@ -77,3 +77,28 @@ jobs:
           go-version: '1.17.5'
       - run: make generate && ./lint.sh
       - run: cd node && go test -v ./...
+
+  # Run rust lints and tests
+  rust-lint-and-tests:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        manifest:
+          - terra/Cargo.toml
+          - sdk/rust/Cargo.toml
+    steps:
+      - name: Check out source
+        uses: actions/checkout@v2
+
+      - name: Install stable rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+
+      - name: Run `cargo check`
+        uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --workspace --manifest-path ${{ matrix.manifest }}