2019-07-26 04:22:26,104 [INFO] {19705} 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 04:49:05,048 [INFO] {20135} 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/5506/195506/local/work/tasks/5363/195363/ghc-reducers-3.12.3-5.fc31.src.rpm)  Config(f31-build-54860-28055)
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 ghc-reducers-3.12.3-5.fc31.src.rpm
Start: build setup for ghc-reducers-3.12.3-5.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/5506/195506/local/work/tasks/5363/195363/ghc-reducers-3.12.3-5.fc31.src.rpm) Config(f31-build-54860-28055) 2 minutes 30 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-54860-28055/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-54860-28055/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-54860-28055/root//builddir/build/SRPMS/ghc-reducers-3.12.3-5.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:13 ago on Fri 26 Jul 2019 04:24:52 AM EDT.
Error: 
 Problem: conflicting requests
  - nothing provides ghc-devel(contravariant-1.4.1-3KVf2bKH24d6xUBz1xOkzE) needed by ghc-semigroupoids-devel-5.2.2-4.fc30.riscv64