these 2 derivations will be built:
  /nix/store/r9zdqvyfwkp5bw6ccdr48i9djjdqzr9k-qwen-code-0.21.2.drv
  /nix/store/chnchfsbvmqzyamfh4c6f1pns12ibxzb-check-qwen-code.drv