2019-08-14 22:47:36,379 [INFO] {28422} 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 22:53:42,547 [INFO] {28716} 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/9033/269033/local/work/tasks/8861/268861/python-pikepdf-1.5.0-2.fc31.src.rpm)  Config(f31-build-92215-32343)
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 python-pikepdf-1.5.0-2.fc31.src.rpm
Start: build setup for python-pikepdf-1.5.0-2.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/9033/269033/local/work/tasks/8861/268861/python-pikepdf-1.5.0-2.fc31.src.rpm) Config(f31-build-92215-32343) 0 minutes 19 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-92215-32343/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-92215-32343/root/ /var/lib/mock/f31-build-92215-32343/root//builddir/build/SRPMS/python-pikepdf-1.5.0-2.fc31.src.rpm
Last metadata expiration check: 0:00:02 ago on Wed 14 Aug 2019 10:53:55 PM UTC.
No matching package to install: '(python3dist(pybind11) >= 2.3 with python3dist(pybind11) < 3)'
Not all dependencies satisfied
Error: Some packages could not be found.