2019-07-27 16:31:39,147 [INFO] {15807} koji.build.buildroot:440 Running mock as kojibuilder
INFO: mock.py version 1.4.9 starting (python version = 3.6.4)...
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: 1.4.9
INFO: Mock Version: 1.4.9
Start: dnf install
Finish: dnf install
Finish: chroot init
INFO: Installed packages:
Finish: run
2019-07-27 16:40:42,800 [INFO] {16389} koji.build.buildroot:440 Running mock as kojibuilder
INFO: mock.py version 1.4.9 starting (python version = 3.6.4)...
Start: init plugins
INFO: selinux disabled
Finish: init plugins
Start: run
INFO: Start(/tmp/koji/tasks/2161/202161/local/work/tasks/2033/202033/libproxy-0.4.15-13.fc31.src.rpm)  Config(f31-build-59389-28560)
Start: chroot init
INFO: calling preinit hooks
INFO: enabled HW Info plugin
Mock Version: 1.4.9
INFO: Mock Version: 1.4.9
Finish: chroot init
Start: build phase for libproxy-0.4.15-13.fc31.src.rpm
Start: build setup for libproxy-0.4.15-13.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/2161/202161/local/work/tasks/2033/202033/libproxy-0.4.15-13.fc31.src.rpm) Config(f31-build-59389-28560) 0 minutes 19 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-59389-28560/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-59389-28560/root/ /var/lib/mock/f31-build-59389-28560/root//builddir/build/SRPMS/libproxy-0.4.15-13.fc31.src.rpm
Last metadata expiration check: 0:00:03 ago on Sat 27 Jul 2019 04:40:55 PM UTC.
Error: 
 Problem: conflicting requests
  - nothing provides libjsoncpp.so.19()(64bit) needed by cmake-3.14.5-3.fc31.riscv64