these 3 derivations will be built:
  /nix/store/ysj3k6ls4yvyfmqvhdgyrqk7083qy8bz-zcode.desktop.drv
  /nix/store/ycy6l8cyj2fcfkp5am35k4ix6zyv9q88-zcode-3.14.4.drv
  /nix/store/mzd1njikx4qaxw4bl3qa5h9ww4n0yc63-check-zcode.drv