this derivation will be built: /nix/store/0wl0vy3a5jzmmi6jvy7pw7y3yl3ap6xq-check-claude-code.drv this path will be fetched (0.0 KiB download, 347.8 MiB unpacked): /nix/store/qgnlzn7bk9pbhn8ffikdfwqxckhgxrzm-claude-code-2.1.325