these 2 derivations will be built:
  /nix/store/a3ynh6yj3il4wd700zmxvh18hc32b763-flake-inputs.drv
  /nix/store/gf8i3npw27dc35bw13wpilrkaf6j40bl-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy