these 2 derivations will be built:
  /nix/store/i0q1c7jda82zrpmx91p8dcdrsbj4jgfg-grok-1.0.34-linux-x86_64.drv
  /nix/store/kzva7jhgzsmnicfh2ably6c5swbwxfvz-grok-1.0.34.drv