these 3 derivations will be built:
  /nix/store/zrdc7kr34aasvyvdwqy92zwybb8bxw34-ZCode-3.16.3-linux-arm64.deb.drv
  /nix/store/y1cgnp2cfs6swp29xncwsqmd6a3x905y-zcode-3.16.3.drv
  /nix/store/2my57lz059b81qvivs3slnr78r6fki5q-check-zcode.drv