these 3 derivations will be built:
  /nix/store/6jbnvjp97v8a5qk0zaj0szl4280n3l25-omp-18.8.6-cargo-vendor-vendor.drv
  /nix/store/kdb6f4bxajjsbcs55mjivnwyyx6sdaca-omp-18.8.6.drv
  /nix/store/pyfgi51wykqd2nb5myw329f33cczvsfn-check-omp.drv