these 2 derivations will be built:
  /nix/store/c63yk9zpapjyz60iakvi21xb0f6gpkwc-llm-agents-site.drv
  /nix/store/wm5malivimz6mjzkgiiqlf95psfbyx6b-check-site.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy