2019-08-14 09:43:33,949 [INFO] {8243} 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
2019-08-14 10:13:04,116 [INFO] {9052} 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/4656/264656/local/work/tasks/4490/264490/erlang-riak_ensemble-2.1.9-4.fc31.src.rpm)  Config(f31-build-90641-32225)
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-riak_ensemble-2.1.9-4.fc31.src.rpm
Start: build setup for erlang-riak_ensemble-2.1.9-4.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/4656/264656/local/work/tasks/4490/264490/erlang-riak_ensemble-2.1.9-4.fc31.src.rpm) Config(f31-build-90641-32225) 2 minutes 44 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-90641-32225/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-90641-32225/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-90641-32225/root//builddir/build/SRPMS/erlang-riak_ensemble-2.1.9-4.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:14 ago on Wed 14 Aug 2019 09:46:10 AM EDT.
Error: 
 Problem: conflicting requests
  - nothing provides erlang(erl_nif_version) = 2.13 needed by erlang-eleveldb-1:2.0.35-1.fc30.riscv64