2019-07-26 15:15:33,736 [INFO] {23328} koji.build.buildroot:505 Running mock as kojibuilder
INFO: mock.py version 1.4.14 starting (python version = 3.7.3)...
Start: init plugins
INFO: selinux enabled
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: 1.4.14
INFO: Mock Version: 1.4.14
Start: dnf install
Finish: dnf install
Finish: chroot init
INFO: Installed packages:
Finish: run
2019-07-26 15:43:32,637 [INFO] {23958} koji.build.buildroot:505 Running mock as kojibuilder
INFO: mock.py version 1.4.14 starting (python version = 3.7.3)...
Start: init plugins
INFO: selinux enabled
Finish: init plugins
Start: run
INFO: Start(/tmp/koji/tasks/7596/197596/local/work/tasks/7511/197511/btbuilder-0.5.16-4.fc31.src.rpm)  Config(f31-build-56300-28202)
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.14
INFO: Mock Version: 1.4.14
Finish: chroot init
Start: build phase for btbuilder-0.5.16-4.fc31.src.rpm
Start: build setup for btbuilder-0.5.16-4.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/7596/197596/local/work/tasks/7511/197511/btbuilder-0.5.16-4.fc31.src.rpm) Config(f31-build-56300-28202) 16 minutes 9 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-56300-28202/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-56300-28202/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-56300-28202/root//builddir/build/SRPMS/btbuilder-0.5.16-4.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:12 ago on Fri 26 Jul 2019 03:17:56 PM EDT.
Error: 
 Problem: package boost-devel-1.66.0-14.fc29.riscv64 requires libboost_regex.so.1.66.0()(64bit), but none of the providers can be installed
  - conflicting requests
  - nothing provides libicuuc.so.62()(64bit) needed by boost-regex-1.66.0-14.fc29.riscv64
  - nothing provides libicui18n.so.62()(64bit) needed by boost-regex-1.66.0-14.fc29.riscv64
  - nothing provides libicudata.so.62()(64bit) needed by boost-regex-1.66.0-14.fc29.riscv64