this derivation will be built:
  /nix/store/lvzm13mf9mwga0rh69ixvfxl4i3wfi4f-inputDerivation-effect-docs.drv
building '/nix/store/lvzm13mf9mwga0rh69ixvfxl4i3wfi4f-inputDerivation-effect-docs.drv'...