Run build/test with updated packages

Author: palfrey

.github/workflows/ci.yml

@@ -89,6 +89,11 @@ jobs:
       - uses: actions/[email protected]
       - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: nightly
+          toolchain: stable
       - name: Update packages
-        run: cargo update
+        run: cargo update
+      - name: Build and test
+        run: cargo test --all-features -- --nocapture
+        env:
+          RUST_TEST_THREADS: 3 # So the parallel tests have enough threads
+          RUST_LOG: debug