these 3 derivations will be built:
  /nix/store/7rgz6ic19yiiv3vvx1iilvrs2sx4h7cm-source.drv
  /nix/store/l68hxd88zix59z9p0b03kiwk04acd0z7-qwen-code-0.27.1.drv
  /nix/store/i9rwynlxwaf47653sqkh1rkqxyfxkin5-check-qwen-code.drv