these 2 derivations will be built:
  /nix/store/iv4gjz3np72ay5m185bm2zk59n5p7jy1-llm-agents-site.drv
  /nix/store/2d56r6r2f8fsq7bd4gqwxyygm1qz5g56-check-site.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy