this derivation will be built:
  /nix/store/948m400n86yphckfhfvkd9xsn8jkgf6s-vm-test-run-pg_jsonschema.drv
this path will be fetched (3.9 KiB download, 16.5 KiB unpacked):
  /nix/store/ra8g5b523fxdg5bvhg4asipxac25ipbs-nixos-test-driver-pg_jsonschema