2019-09-01 04:39:17,064 [INFO] {28445} 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
2019-09-01 05:04:01,930 [INFO] {28938} 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/3789/283789/local/work/tasks/3549/283549/libtevent-0.10.0-1.fc31.src.rpm)  Config(f31-build-100570-33264)
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 libtevent-0.10.0-1.fc31.src.rpm
Start: build setup for libtevent-0.10.0-1.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/3789/283789/local/work/tasks/3549/283549/libtevent-0.10.0-1.fc31.src.rpm) Config(f31-build-100570-33264) 2 minutes 13 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-100570-33264/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-100570-33264/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-100570-33264/root//builddir/build/SRPMS/libtevent-0.10.0-1.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:10 ago on Sun 01 Sep 2019 04:41:50 AM EDT.
No matching package to install: 'libtalloc-devel >= 2.2.0'
No matching package to install: 'python3-talloc-devel >= 2.2.0'
Not all dependencies satisfied
Error: Some packages could not be found.