this derivation will be built:
  /nix/store/wh9k773jkh3m3qdcmv2rv45n2qlkp11m-inputDerivation-effect-docs.drv
building '/nix/store/wh9k773jkh3m3qdcmv2rv45n2qlkp11m-inputDerivation-effect-docs.drv'...