these 4 derivations will be built:
  /nix/store/27x3li7n557w90bmz9qbsp1qlfcw1jnh-claude.drv
  /nix/store/bx2sw07mg0y9fvi7bmcjhrl4zw0sm9y3-claude-code-2.1.303.drv
  /nix/store/axplw6b629vhwgrifnrhpkxpvvzg0v5g-claudebox.drv
  /nix/store/yvd73ahw1q4d4p7rs5vf804qmksynd7s-check-claudebox.drv