this derivation will be built:
  /nix/store/b29ia7qlhv65iknbb96ql3bh1g6krv95-vm-test-run-pgtap.drv
this path will be fetched (3.9 KiB download, 16.5 KiB unpacked):
  /nix/store/jvqxa1pa20pq54fn5rcz6f2njzw2mbf5-nixos-test-driver-pgtap