these 2 derivations will be built:
  /nix/store/rzd1diycy6w8rdd3dazjmcx0qd4nl8fs-plannotator-0.28.30.drv
  /nix/store/amwmz5wfmz8nvvvwh1cnngyqh58wv9ir-check-plannotator.drv