2018-05-13 21:46:20,074 [INFO] {27795} 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
2018-05-13 21:56:23,991 [INFO] {28234} 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/2655/2655/local/work/tasks/2648/2648/python-sane-2.8.3-7.fc29.src.rpm)  Config(f29-build-917-408)
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-sane-2.8.3-7.fc29.src.rpm
Start: build setup for python-sane-2.8.3-7.fc29.src.rpm
ERROR: Exception(/tmp/koji/tasks/2655/2655/local/work/tasks/2648/2648/python-sane-2.8.3-7.fc29.src.rpm) Config(f29-build-917-408) 0 minutes 19 seconds
INFO: Results and/or logs in: /var/lib/mock/f29-build-917-408/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f29-build-917-408/root/ /var/lib/mock/f29-build-917-408/root//builddir/build/SRPMS/python-sane-2.8.3-7.fc29.src.rpm
Last metadata expiration check: 0:00:02 ago on Sun 13 May 2018 09:56:34 PM UTC.
Package gcc-8.1.1-1.1.riscv64.fc29.riscv64 is already installed, skipping.
No matching package to install: 'sane-backends-devel'
Not all dependencies satisfied
Error: Some packages could not be found.