this derivation will be built:
  /nix/store/7423mc6p0xi4yg8p0aq13dq2wbprwlnv-inputDerivation-effect-docs.drv
building '/nix/store/7423mc6p0xi4yg8p0aq13dq2wbprwlnv-inputDerivation-effect-docs.drv'...