these 3 derivations will be built:
  /nix/store/s3a5sv0dmfv1s1rp9108k3ni78rp0y9g-source.drv
  /nix/store/y7yqdyjggkzyp3slh87vz2zqbmhpa9r0-plannotator-0.27.19.drv
  /nix/store/wvvsh2mlv48zs6mwn8pjwvlmydxbad11-check-plannotator.drv