these 2 derivations will be built:
  /nix/store/78rs00dllrc4vqn2j0avingh9l79brah-llm-agents-site.drv
  /nix/store/ghk1yzk4z5hd1h1g7cmzg5lmh7pzzijs-check-site.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy