these 2 derivations will be built:
  /nix/store/w456xzjcpxskd9wcabgcwv3f6qw8dx4p-flake-inputs.drv
  /nix/store/kf9n67wp8rxjly79871zak1dakz3xamp-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy