this derivation will be built:
  /nix/store/s0xw77d7k0g5fh7pngv99hz6fgq7lzqf-inputDerivation-effect-docs.drv
building '/nix/store/s0xw77d7k0g5fh7pngv99hz6fgq7lzqf-inputDerivation-effect-docs.drv'...