> I believe this specific set of options relies on (BTRFS) file system snapshots for performance. It's possible that you can get it to work on non-BTRFS systems

> I believe this specific set of options relies on (BTRFS) file system snapshots for performance. It's possible that you can get it to work on non-BTRFS systems by providing another combination of command line variables, but the default setting is to copy the file system tree to a temporary path. You can use overlayfs + chroot.