this derivation will be built:
  /nix/store/ihfq3xw9g92x8hrrvxbfzv218zj4g8yk-inputDerivation-effect-docs.drv
building '/nix/store/ihfq3xw9g92x8hrrvxbfzv218zj4g8yk-inputDerivation-effect-docs.drv'...