This bug is part of the non-responsive maintainer procedure for olem, following https://docs.fedoraproject.org/en-US/fesco/Policy_for_nonresponsive_package_maintainers/. Please respond if you are still active in Fedora and want to maintain rust-just (and other Rust packages).
Automation has figured out the package is retired in rawhide. If you like it to be unretired, please open a ticket at https://pagure.io/releng/new_issue?template=package_unretirement