these 3 derivations will be built:
  /nix/store/i7x7nmxianzr6xp701jj5p9pp0pp17jk-source.drv
  /nix/store/69f4xcncgk46mixz0xy85s6q148xbdyh-qwen-code-0.26.4.drv
  /nix/store/y0vss5zljpd1ki7ns9wibic5j11rzjvv-check-qwen-code.drv