2018-08-20 23:19:30,387 [INFO] {7730} 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
2018-08-21 00:01:43,395 [INFO] {8929} 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/6337/96337/local/work/cli-build/1534087954.7887492.PJryicRA/vtk-7.1.1-12.fc29.src.rpm)  Config(f29-build-27005-14082)
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 vtk-7.1.1-12.fc29.src.rpm
Start: build setup for vtk-7.1.1-12.fc29.src.rpm
ERROR: Exception(/tmp/koji/tasks/6337/96337/local/work/cli-build/1534087954.7887492.PJryicRA/vtk-7.1.1-12.fc29.src.rpm) Config(f29-build-27005-14082) 13 minutes 44 seconds
INFO: Results and/or logs in: /var/lib/mock/f29-build-27005-14082/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f29-build-27005-14082/root/ /var/lib/mock/f29-build-27005-14082/root//builddir/build/SRPMS/vtk-7.1.1-12.fc29.src.rpm
Last metadata expiration check: 0:00:13 ago on Tue 21 Aug 2018 12:13:34 AM BST.
Package gcc-c++-8.2.1-2.1.riscv64.fc29.riscv64 is already installed, skipping.
Error: 
 Problem: package mesa-libOSMesa-devel-18.1.1-2.0.riscv64.fc29.riscv64 requires libOSMesa.so.8()(64bit), but none of the providers can be installed
  - conflicting requests
  - nothing provides libLLVM-6.0.so()(64bit) needed by mesa-libOSMesa-18.1.1-2.0.riscv64.fc29.riscv64