Index: .github/workflows/rust-clippy.yml
==================================================================
--- .github/workflows/rust-clippy.yml	
+++ .github/workflows/rust-clippy.yml	
@@ -1,8 +1,14 @@
 name: rust-ci
 on: [ push, pull_request]
 
+# only run one job per commit
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+# sccache enable for rust/C builds
 env:
   SCCACHE_GHA_ENABLED: "true"
   RUSTC_WRAPPER: "sccache"
 
 jobs: