these 2 derivations will be built:
  /nix/store/r49z4rr0r8b5cri6a15r1cj5kwjd3c2s-omp-18.18.0.drv
  /nix/store/yxbwlixan58vmmq83wzrydipf70075rf-check-omp.drv
this path will be fetched (86.8 MiB download, 398.0 MiB unpacked):
  /nix/store/mrjlaq4kxr7h00kiqahk17wh43d3s95r-zig-0.17.1