these 3 derivations will be built:
  /nix/store/cpmarj7jbaaj4ln9pimfj7333d8n9wn7-omp-18.18.8-cargo-vendor-vendor.drv
  /nix/store/dinqwfmqj6ygdrx3yyx55kwc54qkii6k-omp-18.18.8.drv
  /nix/store/icnkrayblwjdf95qdfrl6lkbj6xxh3f1-check-omp.drv