these 3 derivations will be built:
  /nix/store/8yqf6s41sz9aajy4dh148f3pa7jmrcs3-source.drv
  /nix/store/da166jxn66j3g9qqn6if6m0q74fib7zc-plannotator-0.28.50.drv
  /nix/store/04a29sv7k47bazkwxbkv0qjc7ps8q25c-check-plannotator.drv