this derivation will be built:
  /nix/store/p7hhc8lj9l1msiaxbx6gbdrmzv1hhf5d-inputDerivation-effect-docs.drv
building '/nix/store/p7hhc8lj9l1msiaxbx6gbdrmzv1hhf5d-inputDerivation-effect-docs.drv'...