2018-08-22 21:57:57,634 [INFO] {24331} 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
2018-08-22 22:52:50,044 [INFO] {26417} 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/8502/98502/local/work/cli-build/1534921324.712974.hbgwwiIl/php-horde-horde-lz4-1.0.10-10.fc29.src.rpm)  Config(f29-build-27307-14402)
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 php-horde-horde-lz4-1.0.10-10.fc29.src.rpm
Start: build setup for php-horde-horde-lz4-1.0.10-10.fc29.src.rpm
ERROR: Exception(/tmp/koji/tasks/8502/98502/local/work/cli-build/1534921324.712974.hbgwwiIl/php-horde-horde-lz4-1.0.10-10.fc29.src.rpm) Config(f29-build-27307-14402) 4 minutes 18 seconds
INFO: Results and/or logs in: /var/lib/mock/f29-build-27307-14402/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f29-build-27307-14402/root/ /var/lib/mock/f29-build-27307-14402/root//builddir/build/SRPMS/php-horde-horde-lz4-1.0.10-10.fc29.src.rpm
Last metadata expiration check: 0:00:19 ago on Wed 22 Aug 2018 10:56:37 PM BST.
Error: 
 Problem: package php-phpunit-PHPUnit-5.7.27-1.fc29.2.noarch requires php-mbstring, but none of the providers can be installed
  - conflicting requests
  - nothing provides libonig.so.4()(64bit) needed by php-mbstring-7.2.4~RC1-0.riscv64.fc28.riscv64