these 2 derivations will be built:
  /nix/store/4bl5l50rf7inppgc479sq6143m9411la-claude-code-router-3.1.2.drv
  /nix/store/lysnqrqp97npd3gg3qwlvls9z7ag78xd-check-claude-code-router.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy