2019-07-17 15:23:37,005 [INFO] {5916} koji.build.buildroot:440 Running mock as kojibuilder
INFO: mock.py version 1.4.9 starting (python version = 3.6.4)...
Start: init plugins
INFO: selinux disabled
Finish: init plugins
Start: run
Start: clean chroot
Finish: clean chroot
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.9
INFO: Mock Version: 1.4.9
Start: dnf install
Finish: dnf install
Finish: chroot init
INFO: Installed packages:
Finish: run
2019-07-17 15:33:14,252 [INFO] {6533} koji.build.buildroot:440 Running mock as kojibuilder
INFO: mock.py version 1.4.9 starting (python version = 3.6.4)...
Start: init plugins
INFO: selinux disabled
Finish: init plugins
Start: run
INFO: Start(/tmp/koji/tasks/2718/172718/local/work/tasks/2561/172561/perl-Data-Pond-0.005-9.fc31.src.rpm)  Config(f31-build-45849-26394)
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.9
INFO: Mock Version: 1.4.9
Finish: chroot init
Start: build phase for perl-Data-Pond-0.005-9.fc31.src.rpm
Start: build setup for perl-Data-Pond-0.005-9.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/2718/172718/local/work/tasks/2561/172561/perl-Data-Pond-0.005-9.fc31.src.rpm) Config(f31-build-45849-26394) 0 minutes 21 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-45849-26394/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-45849-26394/root/ /var/lib/mock/f31-build-45849-26394/root//builddir/build/SRPMS/perl-Data-Pond-0.005-9.fc31.src.rpm
Last metadata expiration check: 0:00:02 ago on Wed 17 Jul 2019 03:33:30 PM UTC.
Error: 
 Problem: conflicting requests
  - nothing provides libperl.so.5.28()(64bit) needed by perl-Params-Classify-0.015-5.fc29.riscv64