these 3 derivations will be built:
  /nix/store/s572hqv5n640lqrxjv8c38bz5ys88dj6-source.drv
  /nix/store/8arv03bllfdd3zbajy0nf38nwlsskmch-plannotator-0.28.4.drv
  /nix/store/w8z479hxh2h1dnfd45hjifmpl6qksrmv-check-plannotator.drv