this derivation will be built:
  /nix/store/vx3wzpp6gpj8hw9fp9qm6wr9z3zid0sw-inputDerivation-effect-docs.drv
building '/nix/store/vx3wzpp6gpj8hw9fp9qm6wr9z3zid0sw-inputDerivation-effect-docs.drv'...