these 3 derivations will be built:
  /nix/store/ysj3k6ls4yvyfmqvhdgyrqk7083qy8bz-zcode.desktop.drv
  /nix/store/d7m678mmfzs8rj242w4r0k63c66b4v4m-zcode-3.15.3.drv
  /nix/store/i04krafl9pi3ww5kzyfrrkvs3dsp88kq-check-zcode.drv