this derivation will be built:
  /nix/store/z5xmk0yiy49b3sb06p71s981vfvbvfkz-inputDerivation-effect-docs.drv
building '/nix/store/z5xmk0yiy49b3sb06p71s981vfvbvfkz-inputDerivation-effect-docs.drv'...