2019-07-27 05:30:02,673 [INFO] {13391} 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
2019-07-27 05:55:55,412 [INFO] {13717} 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/629/200629/local/work/tasks/471/200471/libbtbb-2018.12.R1-3.fc31.src.rpm)  Config(f31-build-58392-28434)
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 libbtbb-2018.12.R1-3.fc31.src.rpm
Start: build setup for libbtbb-2018.12.R1-3.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/629/200629/local/work/tasks/471/200471/libbtbb-2018.12.R1-3.fc31.src.rpm) Config(f31-build-58392-28434) 2 minutes 35 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-58392-28434/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-58392-28434/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-58392-28434/root//builddir/build/SRPMS/libbtbb-2018.12.R1-3.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:12 ago on Sat 27 Jul 2019 05:32:24 AM EDT.
Error: 
 Problem: conflicting requests
  - nothing provides libjsoncpp.so.19()(64bit) needed by cmake-3.14.5-3.fc31.riscv64