these 3 derivations will be built:
  /nix/store/q044w312k0pigw3ggnz9lg8w2j8m5vmj-claude-code-2.1.304.drv
  /nix/store/parfvk9zs1ba4qb8mn1mwhldsygkj65l-claudebox.drv
  /nix/store/g60j1qx1rgbqfwydc2zv4pzgjkdk9lvk-check-claudebox.drv