these 2 derivations will be built:
  /nix/store/02k09snc1fjs68iqnrswvir9kpdykbvg-flake-inputs.drv
  /nix/store/d5z3f0520n86yahafw4waxb6y9xg5vlh-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy