2019-07-27 04:36:01,532 [INFO] {23566} koji.build.buildroot:505 Running mock as kojibuilder
INFO: mock.py version 1.4.14 starting (python version = 3.7.3)...
Start: init plugins
INFO: selinux enabled
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: 1.4.14
INFO: Mock Version: 1.4.14
Start: dnf install
Finish: dnf install
Finish: chroot init
INFO: Installed packages:
Finish: run
2019-07-27 05:01:29,254 [INFO] {23928} koji.build.buildroot:505 Running mock as kojibuilder
INFO: mock.py version 1.4.14 starting (python version = 3.7.3)...
Start: init plugins
INFO: selinux enabled
Finish: init plugins
Start: run
INFO: Start(/tmp/koji/tasks/381/200381/local/work/tasks/254/200254/libass-0.14.0-3.fc31.src.rpm)  Config(f31-build-58246-28409)
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.14
INFO: Mock Version: 1.4.14
Finish: chroot init
Start: build phase for libass-0.14.0-3.fc31.src.rpm
Start: build setup for libass-0.14.0-3.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/381/200381/local/work/tasks/254/200254/libass-0.14.0-3.fc31.src.rpm) Config(f31-build-58246-28409) 2 minutes 46 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-58246-28409/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-58246-28409/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-58246-28409/root//builddir/build/SRPMS/libass-0.14.0-3.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:16 ago on Sat 27 Jul 2019 04:38:10 AM EDT.
Error: 
 Problem: package harfbuzz-devel-2.5.3-2.fc31.riscv64 requires libharfbuzz-icu.so.0()(64bit), but none of the providers can be installed
  - package harfbuzz-devel-2.5.3-2.fc31.riscv64 requires harfbuzz-icu(riscv-64) = 2.5.3-2.fc31, but none of the providers can be installed
  - conflicting requests
  - nothing provides libicuuc.so.62()(64bit) needed by harfbuzz-icu-2.5.3-2.fc31.riscv64
  - nothing provides libicudata.so.62()(64bit) needed by harfbuzz-icu-2.5.3-2.fc31.riscv64