this derivation will be built:
  /nix/store/xrm60df2x5f9f9ansa1qc8f8g8cqqj13-inputDerivation-effect-docs.drv
building '/nix/store/xrm60df2x5f9f9ansa1qc8f8g8cqqj13-inputDerivation-effect-docs.drv'...