this derivation will be built:
  /nix/store/j7k4l6jz1qzsazggi57dgm7qzwrhyd9r-inputDerivation-effect-docs.drv
building '/nix/store/j7k4l6jz1qzsazggi57dgm7qzwrhyd9r-inputDerivation-effect-docs.drv'...