Log excerpt:   
Additional repo http_kojipkgs_fedoraproject_org 226 MB/s |  52 MB     00:
Comment: This snippet indicates that a koji buildroot is used, on top of "distributed" fedora packages.

Log excerpt: ning: Permanently added '52.117.127.152' (ED25519) to the list of known hosts.

You can reproduce this build on your computer by running:

  sudo dnf install copr-rpmbuild
  /usr/bin/copr-rpmbuild --verbose --drop-resultdir --task-url https://copr.fedorainfracloud.org/backend/get-build-task/6940689-fedora-39-s390x --chroot fedora-39-s390x


Version: 0.70
PID: 6350
Logging PID: 6351
Task:
{'appstream': False,
 'background': True,
 'build_id': 6940689,
 'buildroot_pkgs': [],
 'chroot': 'fedora-39-s390x',
 'enable_net': False,
 'fedora_review': False,
 'git_hash': '55636aa9d8e88d6ee8691515a8e6803adc3163fe',
 'git_repo':
Comment: And here we see that the Koji buildroot repository had some (perhaps temporary) problems when the builder machine attempted to download metadata files.

This actually shouldn't happen.  See https://pagure.io/releng/issue/11870 for more info.