these 3 derivations will be built:
  /nix/store/fvfbf9pg505l4dspk30dvn65a81xp3fq-source.drv
  /nix/store/5j49swwws63crw9xh5l4w6ysa81zhyl2-qwen-code-0.26.9.drv
  /nix/store/vm2rshvnyhj9y2k5349jxlifhv5vpg54-check-qwen-code.drv