Changelog for rust-bumpalo+boxed-devel-3.4.0-2.fc99.164.noarch.rpm :

* Wed Jul 29 2020 Fedora Release Engineering - 3.4.0-2- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
* Thu Jun 25 2020 Artem Polishchuk - 3.4.0-1- Initial package