this derivation will be built:
  /nix/store/jvrmp84ivvh5n7p7mz1xfa3xwxnwk7pd-inputDerivation-effect-docs.drv
building '/nix/store/jvrmp84ivvh5n7p7mz1xfa3xwxnwk7pd-inputDerivation-effect-docs.drv'...