this derivation will be built:
  /nix/store/h5lcjqmzl7g25p31vykyi67msvdxw9cz-inputDerivation-needs-label.drv
building '/nix/store/h5lcjqmzl7g25p31vykyi67msvdxw9cz-inputDerivation-needs-label.drv'...