these 2 derivations will be built:
  /nix/store/m1fyjpz4v9ka1jfcsd2ikz9x4mgj1qql-nixos-test-driver-pg_hashids.drv
  /nix/store/6yd8qqgac5w8d03nn1cqhb7ykad3b37y-vm-test-run-pg_hashids.drv