this derivation will be built:
  /nix/store/zyg3d2rmcnrxczs3g0w3nc4yc368sxjq-inputDerivation-effect-docs.drv
building '/nix/store/zyg3d2rmcnrxczs3g0w3nc4yc368sxjq-inputDerivation-effect-docs.drv'...