these 3 derivations will be built:
  /nix/store/nkrjw3hrldirrbax20ldryp2ai3hdzpy-source.drv
  /nix/store/bfif4pd273y0s0rv0d43qcfxzr7b093f-plannotator-0.28.33.drv
  /nix/store/mw9ynp68907fccqfshlj1mqwaqhxswip-check-plannotator.drv