2019-07-25 00:35:47,095 [INFO] {22384} 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
2019-07-25 01:05:26,690 [INFO] {23017} 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/757/190757/local/work/tasks/600/190600/fmt-5.3.0-1.fc31.src.rpm)  Config(f31-build-52070-27587)
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 fmt-5.3.0-1.fc31.src.rpm
Start: build setup for fmt-5.3.0-1.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/757/190757/local/work/tasks/600/190600/fmt-5.3.0-1.fc31.src.rpm) Config(f31-build-52070-27587) 2 minutes 27 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-52070-27587/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-52070-27587/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-52070-27587/root//builddir/build/SRPMS/fmt-5.3.0-1.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:16 ago on Thu 25 Jul 2019 12:38:22 AM EDT.
Error: 
 Problem: conflicting requests
  - nothing provides nodejs(engine) >= 4 needed by nodejs-less-3.8.1-2.fc30.noarch