this derivation will be built:
  /nix/store/bmq0a9p5zsd9v6w52x62wqpm3mp5ppqx-inputDerivation-effect-docs-pages.drv
building '/nix/store/bmq0a9p5zsd9v6w52x62wqpm3mp5ppqx-inputDerivation-effect-docs-pages.drv'...