these 2 derivations will be built:
  /nix/store/9gkimxcp64basdm7nn7jm7wxqxbwa4f2-flake-inputs.drv
  /nix/store/8gq8sng6lxvlwafqfljr4g157jxpvll8-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy