How to move files from a directory over to a subvol with btrfs?

Supposedly this should be easy, however I would like to try to use rsync, and this is a command I saw which seemed like it would simply move the files, then delete them, no excess space incurred. [nixos@nixos:~]$ sudo rsync -aHAX --numeric-ids \ --inplace \ --remove-source-files \ --info=progress2,stats1 --no-inc-recursive \ /mnt/@/home/ \ /mnt/home-check/ 16,067,546,673 1% 397.87MB/s 0:00:38 (xfr#200303, to-chk=2334593/2573858)rsync: [receiver] write failed on "/mnt/home-chec...