$ /usr/bin/mergerepo_c --koji -b /mnt/koji/repos/dist-an8-dde-build/36850/aarch64/blocklist -a aarch64 -o /tmp/koji/tasks/7029/227029/repo --arch-expand -g /mnt/koji/repos/dist-an8-dde-build/36850/groups/comps.xml -r file:///tmp/koji/tasks/7029/227029/repo_36850_premerge/ -r https://archives.fedoraproject.org/pub/archive/epel/8.3.2021-05-20/Everything/aarch64/ -r http://build.openanolis.cn/kojifiles/repos/anolis-8-local-repo-external/aarch64/
C_CREATEREPOLIB: Critical: cr_get_remote_metadata: curl_easy_perform failed: Server returned nothing (no headers, no data): Empty reply from server
Warning: Downloading of repodata failed: https://archives.fedoraproject.org/pub/archive/epel/8.3.2021-05-20/Everything/aarch64/