2018-05-29 21:57:57,055 [INFO] {8704} 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
2018-05-29 22:07:44,618 [INFO] {9624} 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/4639/14639/local/work/cli-build/1527434331.9967356.rgqmEAnO/R-littler-0.3.3-4.fc29.src.rpm)  Config(f29-build-5409-1289)
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-littler-0.3.3-4.fc29.src.rpm
Start: build setup for R-littler-0.3.3-4.fc29.src.rpm
ERROR: Exception(/tmp/koji/tasks/4639/14639/local/work/cli-build/1527434331.9967356.rgqmEAnO/R-littler-0.3.3-4.fc29.src.rpm) Config(f29-build-5409-1289) 0 minutes 23 seconds
INFO: Results and/or logs in: /var/lib/mock/f29-build-5409-1289/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f29-build-5409-1289/root/ /var/lib/mock/f29-build-5409-1289/root//builddir/build/SRPMS/R-littler-0.3.3-4.fc29.src.rpm
Last metadata expiration check: 0:00:02 ago on Tue 29 May 2018 10:07:56 PM UTC.
Error: 
 Problem 1: package R-core-devel-3.5.0-2.fc29.riscv64 requires tk-devel, but none of the providers can be installed
  - conflicting requests
  - nothing provides tcl-devel = 1:8.6.7 needed by tk-devel-1:8.6.7-2.fc28.riscv64
 Problem 2: package R-knitr-1.18-1.fc29.noarch requires R-core, but none of the providers can be installed
  - package R-core-3.5.0-2.fc29.riscv64 requires libtk8.6.so()(64bit), but none of the providers can be installed
  - conflicting requests
  - nothing provides tcl = 1:8.6.7 needed by tk-1:8.6.7-2.fc28.riscv64