Enable test for rcl-sys

.github/workflows/foxy.yaml

@@ -45,9 +45,8 @@ jobs:
           cargo check --all-features
 
       - name: Run cargo test
-        # for skip rcl-sys
         run: |
           source /opt/ros/${{ matrix.ros_distro }}/setup.bash
-          cargo test -p rclrust-msg rclrust-msg-gen
+          cargo test -p rcl-sys rclrust-msg rclrust-msg-gen
           cargo test -p rclrust -- --test-threads 1
         continue-on-error: ${{ matrix.rust == 'nightly' }}

rcl-sys/src/lib.rs

@@ -4,6 +4,7 @@
     non_snake_case,
     non_upper_case_globals,
     invalid_codeblock_attributes,
+    deref_nullptr,
     clippy::all,
     rustdoc::bare_urls,
     rustdoc::broken_intra_doc_links,