these 2 derivations will be built:
  /nix/store/70hxfk71kbp5fmfs6362kwhrz0lzp2iw-nixos-test-driver-hypopg.drv
  /nix/store/938jr18cjbjk7nrphdbqwfszm9zpra3g-vm-test-run-hypopg.drv