this derivation will be built:
  /nix/store/njjw7nsk0k97z38yriy1rjwqcma11yg8-inputDerivation-effect-docs.drv
building '/nix/store/njjw7nsk0k97z38yriy1rjwqcma11yg8-inputDerivation-effect-docs.drv'...