this derivation will be built:
  /nix/store/3yrsghk94n1z5j9frbyzp6qwgmg92ij7-inputDerivation-effect-docs.drv
building '/nix/store/3yrsghk94n1z5j9frbyzp6qwgmg92ij7-inputDerivation-effect-docs.drv'...