these 3 derivations will be built:
  /nix/store/0fa0axyxl0ss418wkjlbryjpp3b79kpl-ZCode-3.14.1-linux-arm64.deb.drv
  /nix/store/150jw4f4wkl30mwg07lah7y2ss63nf36-ZCode-3.14.1-mac-arm64.dmg.drv
  /nix/store/7p4ndzqk9ajgh1an7fk09yr1wcr7k731-zcode-3.14.1.drv