2019-07-17 13:21:44,203 [INFO] {17289} koji.build.buildroot:440 Running mock as kojibuilder
INFO: mock.py version 1.4.13 starting (python version = 3.7.0)...
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: 1.4.13
INFO: Mock Version: 1.4.13
Start: dnf install
Finish: dnf install
Finish: chroot init
INFO: Installed packages:
Finish: run
2019-07-17 13:27:08,837 [INFO] {18300} koji.build.buildroot:440 Running mock as kojibuilder
INFO: mock.py version 1.4.13 starting (python version = 3.7.0)...
Start: init plugins
INFO: selinux disabled
Finish: init plugins
Start: run
INFO: Start(/tmp/koji/tasks/1849/171849/local/work/tasks/1711/171711/perl-Perlbal-XS-HTTPHeaders-0.20-33.fc31.src.rpm)  Config(f31-build-45480-26350)
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.13
INFO: Mock Version: 1.4.13
Finish: chroot init
Start: build phase for perl-Perlbal-XS-HTTPHeaders-0.20-33.fc31.src.rpm
Start: build setup for perl-Perlbal-XS-HTTPHeaders-0.20-33.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/1849/171849/local/work/tasks/1711/171711/perl-Perlbal-XS-HTTPHeaders-0.20-33.fc31.src.rpm) Config(f31-build-45480-26350) 0 minutes 15 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-45480-26350/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-45480-26350/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-45480-26350/root//builddir/build/SRPMS/perl-Perlbal-XS-HTTPHeaders-0.20-33.fc31.src.rpm
Last metadata expiration check: 0:00:03 ago on Wed Jul 17 13:21:55 2019.
Package findutils-1:4.6.0-21.fc30.riscv64 is already installed.
Package make-1:4.2.1-13.fc31.riscv64 is already installed.
Package sed-4.5-2.fc30.riscv64 is already installed.
Error: 
 Problem: package Perlbal-1.80-36.fc31.noarch requires perl(Perlbal::XS::HTTPHeaders) >= 0.20, but none of the providers can be installed
  - conflicting requests
  - nothing provides perl(:MODULE_COMPAT_5.28.1) needed by perl-Perlbal-XS-HTTPHeaders-0.20-31.fc30.riscv64
  - nothing provides libperl.so.5.28()(64bit) needed by perl-Perlbal-XS-HTTPHeaders-0.20-31.fc30.riscv64