this derivation will be built:
  /nix/store/4y1qnpqz8g3yphydiiqsdjwgfkpcrb65-inputDerivation-effect-docs.drv
building '/nix/store/4y1qnpqz8g3yphydiiqsdjwgfkpcrb65-inputDerivation-effect-docs.drv'...