2018-06-07 11:44:12,758 [INFO] {6500} 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
2018-06-07 12:39:15,283 [INFO] {8017} 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/7024/27024/local/work/cli-build/1528294529.82741.usJFtYCY/libomp-6.0.1-0.1.rc1.fc29.src.rpm)  Config(f29-build-8616-3262)
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 libomp-6.0.1-0.1.rc1.fc29.src.rpm
Start: build setup for libomp-6.0.1-0.1.rc1.fc29.src.rpm
ERROR: Exception(/tmp/koji/tasks/7024/27024/local/work/cli-build/1528294529.82741.usJFtYCY/libomp-6.0.1-0.1.rc1.fc29.src.rpm) Config(f29-build-8616-3262) 4 minutes 12 seconds
INFO: Results and/or logs in: /var/lib/mock/f29-build-8616-3262/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f29-build-8616-3262/root/ /var/lib/mock/f29-build-8616-3262/root//builddir/build/SRPMS/libomp-6.0.1-0.1.rc1.fc29.src.rpm
Last metadata expiration check: 0:00:13 ago on Thu 07 Jun 2018 12:43:06 PM BST.
Error: 
 Problem: package perl-4:5.26.2-414.fc29.riscv64 requires perl-bignum, but none of the providers can be installed
  - conflicting requests
  - nothing provides perl(Math::BigInt) >= 1.999812 needed by perl-bignum-0.50-1.fc29.noarch