these 2 derivations will be built:
  /nix/store/zyr91zzamc2kmddvpqxigp33pydprrsa-llm-agents-site.drv
  /nix/store/4091dl6imlkzv2pbf7k5bj35p3i0z1hr-check-site.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy