these 2 derivations will be built:
  /nix/store/z0vnxip87x4p57cgg4c20xqy9mrfwzzw-llm-agents-site.drv
  /nix/store/44xlkml5pa8wcv66x7sya2w5n51hxz2b-check-site.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy