add clippy checks for runtime-features

.gitlab-ci.yml

@@ -63,7 +63,7 @@ fmt_and_clippy:
     - cargo fmt -- --version
     - cargo fmt -- --check
     - cargo clippy -- -V
-    - cargo clippy --all --tests -- -D warnings
+    - cargo clippy --features runtime-benchmarks --all --tests -- -D warnings
 
 run_benchmarks:
   stage: tests