2019-08-14 14:08:54,591 [INFO] {4408} 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 2019-08-14 14:14:56,672 [INFO] {4735} 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/4741/264741/local/work/tasks/4588/264588/llvm6.0-6.0.1-9.fc31.src.rpm) Config(f31-build-90713-32231) 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 llvm6.0-6.0.1-9.fc31.src.rpm Start: build setup for llvm6.0-6.0.1-9.fc31.src.rpm ERROR: Exception(/tmp/koji/tasks/4741/264741/local/work/tasks/4588/264588/llvm6.0-6.0.1-9.fc31.src.rpm) Config(f31-build-90713-32231) 0 minutes 34 seconds INFO: Results and/or logs in: /var/lib/mock/f31-build-90713-32231/result ERROR: Command failed: # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-90713-32231/root/ /var/lib/mock/f31-build-90713-32231/root//builddir/build/SRPMS/llvm6.0-6.0.1-9.fc31.src.rpm Last metadata expiration check: 0:00:02 ago on Wed 14 Aug 2019 02:15:23 PM UTC. No matching package to install: 'valgrind-devel' Not all dependencies satisfied Error: Some packages could not be found.