2019-08-10 08:19:03,942 [INFO] {19467} 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 2019-08-10 08:47:31,648 [INFO] {20272} 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/5878/255878/local/work/tasks/5673/255673/gstreamer1-rtsp-server-1.16.0-2.fc31.src.rpm) Config(f31-build-85824-31616) 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 gstreamer1-rtsp-server-1.16.0-2.fc31.src.rpm Start: build setup for gstreamer1-rtsp-server-1.16.0-2.fc31.src.rpm ERROR: Exception(/tmp/koji/tasks/5878/255878/local/work/tasks/5673/255673/gstreamer1-rtsp-server-1.16.0-2.fc31.src.rpm) Config(f31-build-85824-31616) 1 minutes 55 seconds INFO: Results and/or logs in: /var/lib/mock/f31-build-85824-31616/result ERROR: Command failed: # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-85824-31616/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-85824-31616/root//builddir/build/SRPMS/gstreamer1-rtsp-server-1.16.0-2.fc31.src.rpm --setopt=tsflags=nocontexts Last metadata expiration check: 0:00:12 ago on Sat 10 Aug 2019 08:21:55 AM EDT. No matching package to install: 'gstreamer1-devel >= 1.16.0' No matching package to install: 'gstreamer1-plugins-base-devel >= 1.16.0' Not all dependencies satisfied Error: Some packages could not be found.