these 3 derivations will be built:
  /nix/store/2rg1w6giiajm25azs8cb3zgihwvk6fva-omp-18.6.3-cargo-vendor-vendor.drv
  /nix/store/hw99yj9apg26kk6c018pwv6lnyhkksb2-omp-18.6.3.drv
  /nix/store/lr6c34mc21jky0y6m68ppwjdqjn7fkfz-check-omp.drv