this derivation will be built:
  /nix/store/0wj93jgvzs9r8ndg0vr9pcijp6iqh23k-inputDerivation-effect-docs.drv
building '/nix/store/0wj93jgvzs9r8ndg0vr9pcijp6iqh23k-inputDerivation-effect-docs.drv'...