Update rust.yml

Author: easbar

.github/workflows/rust.yml

@@ -18,3 +18,5 @@ jobs:
       run: cargo fmt -- --check
     - name: Run tests
       run: cargo test --release -- --nocapture
+    - name: Run performance tests
+      run: export RUST_TEST_THREADS=1; cargo test --release -- --ignored --nocapture