these 2 derivations will be built:
  /nix/store/b11lx9yla995glvdwsckgxa2qg3vjgn6-llm-agents-site.drv
  /nix/store/a4xbwq1lim1i4rp1kw080bjv9585z4wz-check-site.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy