2018-12-08 14:35:27,559 [INFO] {26713} 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 15:31:18,868 [INFO] {27298} 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/9619/149619/local/work/cli-build/1543635952.6586766.wPeZIzAM/php-pecl-ds-1.2.7-1.fc30.src.rpm)  Config(f30-build-39911-22665)
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 php-pecl-ds-1.2.7-1.fc30.src.rpm
Start: build setup for php-pecl-ds-1.2.7-1.fc30.src.rpm
ERROR: Exception(/tmp/koji/tasks/9619/149619/local/work/cli-build/1543635952.6586766.wPeZIzAM/php-pecl-ds-1.2.7-1.fc30.src.rpm) Config(f30-build-39911-22665) 5 minutes 56 seconds
INFO: Results and/or logs in: /var/lib/mock/f30-build-39911-22665/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f30-build-39911-22665/root/ --setopt=install_weak_deps=0 /var/lib/mock/f30-build-39911-22665/root//builddir/build/SRPMS/php-pecl-ds-1.2.7-1.fc30.src.rpm
Last metadata expiration check: 0:00:28 ago on Sat 08 Dec 2018 02:38:03 PM EST.
Error: 
 Problem: package phpunit6-6.5.13-1.fc30.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