2019-07-23 18:10:39,098 [INFO] {26137} 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
2019-07-23 18:40:59,166 [INFO] {26844} 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/8060/178060/local/work/tasks/7157/177157/erlang-gtknode-1.0.4-7.fc31.src.rpm)  Config(f31-build-47995-26967)
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 erlang-gtknode-1.0.4-7.fc31.src.rpm
Start: build setup for erlang-gtknode-1.0.4-7.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/8060/178060/local/work/tasks/7157/177157/erlang-gtknode-1.0.4-7.fc31.src.rpm) Config(f31-build-47995-26967) 2 minutes 8 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-47995-26967/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-47995-26967/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-47995-26967/root//builddir/build/SRPMS/erlang-gtknode-1.0.4-7.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:12 ago on Tue 23 Jul 2019 06:12:56 PM EDT.
Error: 
 Problem: package erlang-rebar-2.6.4-8.fc30.noarch requires erlang-eflame, but none of the providers can be installed
  - conflicting requests
  - nothing provides perl(:MODULE_COMPAT_5.28.0) needed by erlang-eflame-0-0.9.gita085181.fc29.riscv64