this derivation will be built:
  /nix/store/dmdpqf0nxzr7jkk5hwhh6pfqcj1a6bhd-inputDerivation-effect-docs.drv
building '/nix/store/dmdpqf0nxzr7jkk5hwhh6pfqcj1a6bhd-inputDerivation-effect-docs.drv'...