[...]

 28550K .......... .......... .......... .......... .......... 96% 77.6M 0s
 28600K .......... .......... .......... .......... .......... 96% 93.8M 0s
 28650K .......... .......... .......... .......... .......... 97% 66.9M 0s
 28700K .......... .......... .......... .......... .......... 97% 69.5M 0s
 28750K .......... .......... .......... .......... .......... 97% 33.8M 0s
 28800K .......... .......... .......... .......... .......... 97% 27.8M 0s
 28850K .......... .......... .......... .......... .......... 97% 35.7M 0s
 28900K .......... .......... .......... .......... .......... 98% 74.6M 0s
 28950K .......... .......... .......... .......... .......... 98% 14.4M 0s
 29000K .......... .......... .......... .......... .......... 98% 15.6M 0s
 29050K .......... .......... .......... .......... .......... 98% 27.2M 0s
 29100K .......... .......... .......... .......... .......... 98% 40.0M 0s
 29150K .......... .......... .......... .......... .......... 98% 19.5M 0s
 29200K .......... .......... .......... .......... .......... 99% 55.8M 0s
 29250K .......... .......... .......... .......... .......... 99% 26.5M 0s
 29300K .......... .......... .......... .......... .......... 99%  103M 0s
 29350K .......... .......... .......... .......... .......... 99% 37.7M 0s
 29400K .......... .......... .......... .......... .......... 99% 86.0M 0s
 29450K .......... .......... .......... .......... .......... 99% 23.9M 0s
 29500K .......... .......... .......... ..........           100% 58.4M=1.1s
2018-04-09 09:23:55 (27.2 MB/s) - 'R-3.4.3.tar.gz' saved [30249655/30249655]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/R-3.4.3-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 docs openmp tcl tests
Writing git revision for tag auto/ti/R-3.4.3-1
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.46600
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf R-3.4.3
Begin-TLD-Builder-Info
Build-Time: user:2.00s sys:0.69s real:6.46s (faults io:50 non-io:109548)
Files queued for ftp:
  30266297 R-3.4.3-1.src.rpm
       179 R-3.4.3-1.src.rpm.uploadinfo
End-TLD-Builder-Info