these 2 derivations will be built:
  /nix/store/1z8bk9jppvrrfgnggqq79iq34qhszh05-llm-agents-site.drv
  /nix/store/lxvkph57gan9ck3dn8pcspz5w0fm6daz-check-site.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy