2019-08-20 23:27:28,069 [INFO] {25924} koji.build.buildroot:440 Running mock as kojibuilder
INFO: mock.py version 1.4.13 starting (python version = 3.7.0)...
Start: init plugins
INFO: selinux disabled
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: 1.4.13
INFO: Mock Version: 1.4.13
Start: dnf install
Finish: dnf install
Finish: chroot init
INFO: Installed packages:
Finish: run
2019-08-20 23:32:34,384 [INFO] {26224} koji.build.buildroot:440 Running mock as kojibuilder
INFO: mock.py version 1.4.13 starting (python version = 3.7.0)...
Start: init plugins
INFO: selinux disabled
Finish: init plugins
Start: run
INFO: Start(/tmp/koji/tasks/3492/273492/local/work/tasks/3491/273491/swig-4.0.0-5.fc31.src.rpm)  Config(f31-build-95693-32713)
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.13
INFO: Mock Version: 1.4.13
Finish: chroot init
Start: build phase for swig-4.0.0-5.fc31.src.rpm
Start: build setup for swig-4.0.0-5.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/3492/273492/local/work/tasks/3491/273491/swig-4.0.0-5.fc31.src.rpm) Config(f31-build-95693-32713) 0 minutes 20 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-95693-32713/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-95693-32713/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-95693-32713/root//builddir/build/SRPMS/swig-4.0.0-5.fc31.src.rpm
Last metadata expiration check: 0:00:03 ago on Tue Aug 20 23:27:38 2019.
Package gawk-5.0.1-5.fc31.riscv64 is already installed.
Error: 
 Problem: package R-core-devel-3.6.1-1.0.riscv64.fc31.riscv64 requires R-core = 3.6.1-1.0.riscv64.fc31, but none of the providers can be installed
  - package R-core-3.6.1-1.0.riscv64.fc31.riscv64 requires cups, but none of the providers can be installed
  - package R-devel-3.6.1-1.0.riscv64.fc31.riscv64 requires R-core-devel = 3.6.1-1.0.riscv64.fc31, but none of the providers can be installed
  - package cups-1:2.2.11-4.fc31.riscv64 requires cups-filters, but none of the providers can be installed
  - conflicting requests
  - nothing provides libpoppler.so.78()(64bit) needed by cups-filters-1.22.5-4.fc31.riscv64