2019-07-15 11:10:16,451 [INFO] {5984} 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
2019-07-15 11:19:34,961 [INFO] {6589} 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/9189/169189/local/work/tasks/9093/169093/perl-Newt-1.08-53.fc31.src.rpm)  Config(f31-build-44256-25948)
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-Newt-1.08-53.fc31.src.rpm
Start: build setup for perl-Newt-1.08-53.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/9189/169189/local/work/tasks/9093/169093/perl-Newt-1.08-53.fc31.src.rpm) Config(f31-build-44256-25948) 0 minutes 20 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-44256-25948/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-44256-25948/root/ /var/lib/mock/f31-build-44256-25948/root//builddir/build/SRPMS/perl-Newt-1.08-53.fc31.src.rpm
Last metadata expiration check: 0:00:03 ago on Mon 15 Jul 2019 11:19:49 AM UTC.
Error: 
 Problem 1: conflicting requests
  - nothing provides perl(:MODULE_COMPAT_5.28.0) needed by perl-ExtUtils-MakeMaker-1:7.34-418.fc29.noarch
 Problem 2: package perl-devel-4:5.30.0-440.fc31.riscv64 requires perl(File::Spec), but none of the providers can be installed
  - conflicting requests
  - nothing provides perl(:MODULE_COMPAT_5.28.0) needed by perl-PathTools-3.75-1.fc29.riscv64
 Problem 3: package perl-generators-1.11-3.fc31.noarch requires /usr/bin/perl, but none of the providers can be installed
  - package perl-interpreter-4:5.30.0-440.fc31.riscv64 requires perl(threads::shared), but none of the providers can be installed
  - conflicting requests
  - nothing provides perl(:MODULE_COMPAT_5.28.1) needed by perl-threads-shared-1.59-1.fc30.riscv64