this derivation will be built:
  /nix/store/kknm6lkwlwz18l52v14pdzagk9g8nfny-inputDerivation-effect-docs.drv
building '/nix/store/kknm6lkwlwz18l52v14pdzagk9g8nfny-inputDerivation-effect-docs.drv'...