2018-06-25 06:28:41,593 [INFO] {21694} 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
2018-06-25 06:40:39,044 [INFO] {25024} 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/8142/48142/local/work/cli-build/1529864768.775861.sOdeZzIE/rubygem-cairo-1.15.13-1.fc29.src.rpm)  Config(f29-build-14370-6596)
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 rubygem-cairo-1.15.13-1.fc29.src.rpm
Start: build setup for rubygem-cairo-1.15.13-1.fc29.src.rpm
ERROR: Exception(/tmp/koji/tasks/8142/48142/local/work/cli-build/1529864768.775861.sOdeZzIE/rubygem-cairo-1.15.13-1.fc29.src.rpm) Config(f29-build-14370-6596) 0 minutes 25 seconds
INFO: Results and/or logs in: /var/lib/mock/f29-build-14370-6596/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f29-build-14370-6596/root/ /var/lib/mock/f29-build-14370-6596/root//builddir/build/SRPMS/rubygem-cairo-1.15.13-1.fc29.src.rpm
Last metadata expiration check: 0:00:02 ago on Mon 25 Jun 2018 06:40:51 AM UTC.
Package gcc-8.1.1-1.1.riscv64.fc29.riscv64 is already installed, skipping.
Error: 
 Problem: conflicting requests
  - nothing provides rubygem(cairo-gobject) >= 3.2.1 needed by rubygem-poppler-3.2.1-1.fc27.noarch