these 3 derivations will be built:
  /nix/store/g5dwx75ry7di45y5mg59iw153ir9y588-zcode.desktop.drv
  /nix/store/4c129qcikw23r6ilpp171d9srra5p756-zcode-3.16.3.drv
  /nix/store/xgi434wfzxrgl8gvkn2a0h39i7lwws03-check-zcode.drv