2019-08-31 15:26:09,529 [INFO] {28423} 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
2019-08-31 15:51:32,991 [INFO] {28818} 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/1145/281145/local/work/tasks/994/280994/R-lubridate-1.7.4-6.fc31.src.rpm)  Config(f31-build-98684-33064)
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 R-lubridate-1.7.4-6.fc31.src.rpm
Start: build setup for R-lubridate-1.7.4-6.fc31.src.rpm
ERROR: Exception(/tmp/koji/tasks/1145/281145/local/work/tasks/994/280994/R-lubridate-1.7.4-6.fc31.src.rpm) Config(f31-build-98684-33064) 2 minutes 29 seconds
INFO: Results and/or logs in: /var/lib/mock/f31-build-98684-33064/result
ERROR: Command failed: 
 # /usr/bin/dnf builddep --installroot /var/lib/mock/f31-build-98684-33064/root/ --setopt=install_weak_deps=0 /var/lib/mock/f31-build-98684-33064/root//builddir/build/SRPMS/R-lubridate-1.7.4-6.fc31.src.rpm --setopt=tsflags=nocontexts
Last metadata expiration check: 0:00:15 ago on Sat 31 Aug 2019 03:28:45 PM EDT.
Error: 
 Problem 1: conflicting requests
  - nothing provides R(yaml) >= 2.1.19 needed by R-knitr-1.24-1.fc31.noarch
  - nothing provides R(markdown) needed by R-knitr-1.24-1.fc31.noarch
 Problem 2: conflicting requests
  - nothing provides R(glue) >= 1.2.0 needed by R-stringr-1.4.0-3.fc31.noarch
  - nothing provides R(stringi) >= 1.1.7 needed by R-stringr-1.4.0-3.fc31.noarch