this derivation will be built:
  /nix/store/8g2q04wdmli0pzqgz3bnf0v247rw8zmy-inputDerivation-effect-docs.drv
building '/nix/store/8g2q04wdmli0pzqgz3bnf0v247rw8zmy-inputDerivation-effect-docs.drv'...