2018-05-27 15:00:09,584 [INFO] {17181} 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
2018-05-27 15:38:46,089 [INFO] {18556} 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/2844/12844/local/work/tasks/2828/12828/mod_auth_cas-1.1-3.fc29.src.rpm)  Config(f29-build-4923-1155)
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 mod_auth_cas-1.1-3.fc29.src.rpm
Start: build setup for mod_auth_cas-1.1-3.fc29.src.rpm
ERROR: Exception(/tmp/koji/tasks/2844/12844/local/work/tasks/2828/12828/mod_auth_cas-1.1-3.fc29.src.rpm) Config(f29-build-4923-1155) 2 minutes 47 seconds
INFO: Results and/or logs in: /var/lib/mock/f29-build-4923-1155/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f29-build-4923-1155/root/ /var/lib/mock/f29-build-4923-1155/root//builddir/build/SRPMS/mod_auth_cas-1.1-3.fc29.src.rpm
Last metadata expiration check: 0:00:09 ago on Sun 27 May 2018 03:41:17 PM BST.
Error: 
 Problem: package httpd-devel-2.4.29-2.riscv64.fc28.riscv64 requires httpd = 2.4.29-2.riscv64.fc28, but none of the providers can be installed
  - conflicting requests
  - nothing provides libbrotlienc.so.0.6.0()(64bit) needed by httpd-2.4.29-2.riscv64.fc28.riscv64