2019-07-26 03:00:54,483 [INFO] {3033} 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 03:24:57,166 [INFO] {3656} 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/5271/195271/local/work/tasks/5249/195249/ghc-pipes-safe-2.2.9-3.fc31.src.rpm)  Config(f31-build-54735-28043)
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-pipes-safe-2.2.9-3.fc31.src.rpm
Start: build setup for ghc-pipes-safe-2.2.9-3.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/5271/195271/local/work/tasks/5249/195249/ghc-pipes-safe-2.2.9-3.fc31.src.rpm) Config(f31-build-54735-28043) 2 minutes 8 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-54735-28043/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-54735-28043/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-54735-28043/root//builddir/build/SRPMS/ghc-pipes-safe-2.2.9-3.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:09 ago on Fri 26 Jul 2019 03:03:16 AM EDT.
Error: 
 Problem: conflicting requests
  - nothing provides ghc-devel(exceptions-0.8.3-DpoXr2ympNKLTW6bxlFL86) needed by ghc-pipes-devel-4.3.9-2.fc30.riscv64