these 3 derivations will be built:
  /nix/store/l7s8jjfpqbr5avvgi7r7dql85w7c00ks-source.drv
  /nix/store/5hza2y7fmlvyznr7f6nqz40c7kxdnv4b-plannotator-0.28.25.drv
  /nix/store/apl90fkwi2fkfx9xmzp776mxwq35hwqh-check-plannotator.drv