2018-10-02 13:58:29,827 [INFO] {11110} 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
2018-10-02 14:24:14,035 [INFO] {11924} 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/368/110368/local/work/cli-build/1538415480.8533792.PxrnAGoT/R-pkgload-1.0.0-1.fc29.src.rpm)  Config(f29-build-30687-16551)
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 R-pkgload-1.0.0-1.fc29.src.rpm
Start: build setup for R-pkgload-1.0.0-1.fc29.src.rpm
ERROR: Exception(/tmp/koji/tasks/368/110368/local/work/cli-build/1538415480.8533792.PxrnAGoT/R-pkgload-1.0.0-1.fc29.src.rpm) Config(f29-build-30687-16551) 1 minutes 55 seconds
INFO: Results and/or logs in: /var/lib/mock/f29-build-30687-16551/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f29-build-30687-16551/root/ /var/lib/mock/f29-build-30687-16551/root//builddir/build/SRPMS/R-pkgload-1.0.0-1.fc29.src.rpm
Last metadata expiration check: 0:00:08 ago on Tue 02 Oct 2018 02:25:44 PM BST.
Error: 
 Problem 1: conflicting requests
  - nothing provides R-curl >= 0.9.1 needed by R-httr-1.3.1-2.fc29.noarch
 Problem 2: package R-pkgbuild-1.0.0-1.fc29.noarch requires R-callr >= 2.0.0, but none of the providers can be installed
  - conflicting requests
  - nothing provides R-processx >= 3.2.0 needed by R-callr-3.0.0-1.fc29.noarch