these 2 derivations will be built:
  /nix/store/vb6r132lf58nwzm5v4216j2ksibsn82s-llm-agents-site.drv
  /nix/store/19k7sbi4x1fjwjyfzkr3vipr4jvm003q-check-site.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy