this derivation will be built:
  /nix/store/wxnzr7mcrsb8vgm1dkw3fs99l61zd2ml-inputDerivation-effect-docs.drv
building '/nix/store/wxnzr7mcrsb8vgm1dkw3fs99l61zd2ml-inputDerivation-effect-docs.drv'...