this derivation will be built:
  /nix/store/4ynflf3ai1syzahv6g0zx64bvdrlkx0i-vm-test-run-pgtap.drv
this path will be fetched (3.9 KiB download, 16.5 KiB unpacked):
  /nix/store/9pz54yjs8y3n45xsnii5m1kvnp66cvh1-nixos-test-driver-pgtap