this derivation will be built:
  /nix/store/h7q9f4a5n6j2cmigr1gj2a1fp01h8r8k-vm-test-run-pg_hashids.drv
this path will be fetched (3.9 KiB download, 16.6 KiB unpacked):
  /nix/store/nhlrhvqyin91njii1gvns6zzkl0wjgj2-nixos-test-driver-pg_hashids