2018-12-08 04:50:23,102 [INFO] {20394} koji.build.buildroot:487 Running mock as kojibuilder
INFO: mock.py version 1.4.13 starting (python version = 3.7.1)...
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
2018-12-08 05:45:56,438 [INFO] {21025} koji.build.buildroot:487 Running mock as kojibuilder
INFO: mock.py version 1.4.13 starting (python version = 3.7.1)...
Start: init plugins
INFO: selinux disabled
Finish: init plugins
Start: run
INFO: Start(/tmp/koji/tasks/8901/148901/local/work/cli-build/1543632265.6344237.TILWxXfS/rubygem-cairo-1.16.2-1.fc30.src.rpm)  Config(f30-build-39488-22620)
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 rubygem-cairo-1.16.2-1.fc30.src.rpm
Start: build setup for rubygem-cairo-1.16.2-1.fc30.src.rpm
ERROR: Exception(/tmp/koji/tasks/8901/148901/local/work/cli-build/1543632265.6344237.TILWxXfS/rubygem-cairo-1.16.2-1.fc30.src.rpm) Config(f30-build-39488-22620) 6 minutes 44 seconds
INFO: Results and/or logs in: /var/lib/mock/f30-build-39488-22620/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f30-build-39488-22620/root/ --setopt=install_weak_deps=0 /var/lib/mock/f30-build-39488-22620/root//builddir/build/SRPMS/rubygem-cairo-1.16.2-1.fc30.src.rpm
Last metadata expiration check: 0:00:30 ago on Sat 08 Dec 2018 04:53:29 AM EST.
Error: 
 Problem: conflicting requests
  - nothing provides rubygem(cairo-gobject) >= 3.3.0 needed by rubygem-poppler-3.3.0-1.fc30.noarch