Description of problem:

...
Preparing environment for backtrace generation
......
Retrace job failed
Retrace failed. Try again later and if the problem persists report this issue please.
    2020-01-06 11:57:12 Analyzing crash data
 2020-01-06 11:57:15 INFO:faf.Coredump2Packages:Executing eu-unstrip
INFO:faf.Coredump2Packages:Mapping build-ids into debuginfo packages
INFO:faf.Coredump2Packages:Getting binary packages from debuginfos

    2020-01-06 11:57:15 Preparing environment for backtrace generation
   2020-01-06 11:58:29 /usr/bin/mock init --resultdir /srv/retrace/tasks/179086010/log --configdir /srv/retrace/tasks/179086010 exitted with 30
=== OUTPUT ===
INFO: mock.py version 1.4.21 starting (python version = 3.6.8)...
Start: init plugins
INFO: selinux enabled
Finish: init plugins
INFO: Signal handler active
Start: run
Start: clean chroot
Finish: clean chroot
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.21
INFO: Mock Version: 1.4.21
Start: yum install
ERROR: Command failed:
 # /usr/bin/yum --installroot /var/lib/mock/179086010/root/ --releasever 7.7 --skip-broken install bash cpio glibc-debuginfo abrt-addon-ccpp shadow-utils findutils gdb rpm --setopt=tsflags=nocontexts
Failed to set locale, defaulting to C

================================================================================
 Package                   Arch   Version                          Repository
                                                                           Size
================================================================================
Installing:
 abrt-addon-ccpp           x86_64 2.13.0-1.fc31                    fedora 133 k
...
...
rpmlib(PayloadIsZstd) <= 5.4.18-1 is needed by libblkid-2.34-4.fc31.x86_64
rpmlib(PayloadIsZstd) <= 5.4.18-1 is needed by libcap-2.26-6.fc31.x86_64
 You could try running: rpm -Va --nofiles --nodigest
Your transaction was saved, rerun it with:
 yum load-transaction /tmp/yum_save_tx.2020-01-06.11-58.gYm6j4.yumtx
RPM needs to be updated
...


Version-Release number of selected component (if applicable):

libreport-2.11.3-1.fc31.x86_64
libreport-cli-2.11.3-1.fc31.x86_64
python3-libreport-2.11.3-1.fc31.x86_64
libreport-plugin-bugzilla-2.11.3-1.fc31.x86_64
libreport-web-2.11.3-1.fc31.x86_64
libreport-fedora-2.11.3-1.fc31.x86_64
libreport-plugin-kerneloops-2.11.3-1.fc31.x86_64
libreport-anaconda-2.11.3-1.fc31.x86_64
libreport-plugin-reportuploader-2.11.3-1.fc31.x86_64
libreport-plugin-logger-2.11.3-1.fc31.x86_64
libreport-filesystem-2.11.3-1.fc31.noarch
libreport-plugin-ureport-2.11.3-1.fc31.x86_64
libreport-plugin-systemd-journal-2.11.3-1.fc31.x86_64
libreport-gtk-2.11.3-1.fc31.x86_64

How reproducible:


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Expected results:


Additional info: