Changelog for rust-procfs0.9+backtrace-devel-0.9.1-2.el9.noarch.rpm :

* Sat Jan 21 2023 Fedora Release Engineering - 0.9.1-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild
* Wed Jul 27 2022 Fabio Valentini - 0.9.1-1- Initial import (procfs 0.9 compat package)