message: [CI] cache rust stuff
diff: @@ -31,6 +31,9 @@ jobs:
  toolchain: "1.58.0"
  components: rustfmt, clippy
  + - name: Cache Rust stuff
  + uses: Swatinem/rust-cache@v1
  +
  - name: Setup OCaml (because of ocaml-gen)
  run: |
  sudo apt update
  