“As it stands now, bcachefs-tools is impossible to maintain in Debian stable.”
Carter packaged bcachefs-tools for five years. The new Rust utilities pinned exact dependency versions, so Debian had to relax errno from 0.2 to 0.4 just to build them. Upstream insists on vendored dependencies only and sent him hostile emails, so he orphaned the package. A filesystem nobody can ship in a stable distro is not ready to hold anyone’s data.