[...]

 28900K .......... .......... .......... .......... .......... 97% 18.4M 0s
 28950K .......... .......... .......... .......... .......... 97% 14.9M 0s
 29000K .......... .......... .......... .......... .......... 97%  424M 0s
 29050K .......... .......... .......... .......... .......... 97% 85.2M 0s
 29100K .......... .......... .......... .......... .......... 98% 83.6M 0s
 29150K .......... .......... .......... .......... .......... 98%  427M 0s
 29200K .......... .......... .......... .......... .......... 98% 74.7M 0s
 29250K .......... .......... .......... .......... .......... 98% 81.3M 0s
 29300K .......... .......... .......... .......... .......... 98%  415M 0s
 29350K .......... .......... .......... .......... .......... 98% 88.4M 0s
 29400K .......... .......... .......... .......... .......... 99% 83.8M 0s
 29450K .......... .......... .......... .......... .......... 99%  229M 0s
 29500K .......... .......... .......... .......... .......... 99%  102M 0s
 29550K .......... .......... .......... .......... .......... 99% 75.9M 0s
 29600K .......... .......... .......... .......... .......... 99%  339M 0s
 29650K .......... .......... .......... .......... .......... 99% 82.6M 0s
 29700K .......... .......... .......... .....                100% 72.7M=0.7s
2019-08-24 14:18:44 (41.9 MB/s) - 'R-3.6.0.tar.gz' saved [30449618/30449618]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/R-3.6.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 34254ce - updated to 3.6.0
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 docs openmp tcl tests
Writing git revision for tag auto/ti/R-3.6.0-1
On detached HEAD. Use -r BRANCHNAME to override
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean): env -i TMP=/home/users/builder/tmp HOME=/home/users/builder PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.81294
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf R-3.6.0
Begin-TLD-Builder-Info
Build-Time: user:1.69s sys:0.27s real:5.52s (faults io:10 non-io:113659)
Files queued for ftp:
  30463382 R-3.6.0-1.src.rpm
       179 R-3.6.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info