this derivation will be built:
  /nix/store/scafqq0swr2a0sb9qs2f1c65b7986g9v-inputDerivation-effect-docs.drv
building '/nix/store/scafqq0swr2a0sb9qs2f1c65b7986g9v-inputDerivation-effect-docs.drv'...