these 3 derivations will be built:
  /nix/store/dh6bpcfg4cvq7xg473d2x9bwi96zxmp7-source.drv
  /nix/store/fyd4bxa6ipnq8p4ilhbmqbzvpmv1frzf-qwen-code-0.26.7.drv
  /nix/store/62dcpv0ycdnmcghn8qg0ffq1ixmqd6qw-check-qwen-code.drv