2018-05-14 14:13:11,579 [INFO] {28907} 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
2018-05-14 14:41:04,692 [INFO] {29351} 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/2905/2905/local/work/cli-build/1526303580.9365733.dJTsStGN/R-date-1.2.38-1.fc29.src.rpm)  Config(f29-build-1027-453)
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 R-date-1.2.38-1.fc29.src.rpm
Start: build setup for R-date-1.2.38-1.fc29.src.rpm
ERROR: Exception(/tmp/koji/tasks/2905/2905/local/work/cli-build/1526303580.9365733.dJTsStGN/R-date-1.2.38-1.fc29.src.rpm) Config(f29-build-1027-453) 1 minutes 59 seconds
INFO: Results and/or logs in: /var/lib/mock/f29-build-1027-453/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f29-build-1027-453/root/ /var/lib/mock/f29-build-1027-453/root//builddir/build/SRPMS/R-date-1.2.38-1.fc29.src.rpm
Last metadata expiration check: 0:00:07 ago on Mon 14 May 2018 02:42:51 PM BST.
Error: 
 Problem 1: package R-core-3.4.4-3.fc29.riscv64 requires cups, but none of the providers can be installed
  - conflicting requests
  - nothing provides cups-filters needed by cups-1:2.2.4-0.riscv64.6.fc28.riscv64
 Problem 2: package R-core-devel-3.4.4-3.fc29.riscv64 requires R-core = 3.4.4-3.fc29, but none of the providers can be installed
  - package R-devel-3.4.4-3.fc29.riscv64 requires R-core-devel = 3.4.4-3.fc29, but none of the providers can be installed
  - package R-core-3.4.4-3.fc29.riscv64 requires cups, but none of the providers can be installed
  - conflicting requests
  - nothing provides cups-filters needed by cups-1:2.2.4-0.riscv64.6.fc28.riscv64