these 3 derivations will be built:
  /nix/store/r4kjipdhzpck4ajjan07cncfcw0izsbl-claude-code-2.1.312.drv
  /nix/store/4lsapvm3ysm8asba62j1rpfcr0iqj4cc-claudebox.drv
  /nix/store/snc042wjcvvvqk6waq9gmvgk6makq9ws-check-claudebox.drv