Please branch and build rust-below in epel9.
This is planned, but we need to update it to the latest release in Rawhide first (https://bugzilla.redhat.com/show_bug.cgi?id=2132765).
FEDORA-EPEL-2023-71eaa96a50 has been submitted as an update to Fedora EPEL 9. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2023-71eaa96a50
FEDORA-EPEL-2023-71eaa96a50 has been pushed to the Fedora EPEL 9 stable repository. If problem still persists, please make note of it in this bug report.