[...]

   850K .......... .......... .......... .......... .......... 49%  160M 0s
   900K .......... .......... .......... .......... .......... 52%  113M 0s
   950K .......... .......... .......... .......... .......... 54% 76.3M 0s
  1000K .......... .......... .......... .......... .......... 57% 98.1M 0s
  1050K .......... .......... .......... .......... .......... 60% 88.3M 0s
  1100K .......... .......... .......... .......... .......... 63% 36.3M 0s
  1150K .......... .......... .......... .......... .......... 65% 60.4M 0s
  1200K .......... .......... .......... .......... .......... 68%  131M 0s
  1250K .......... .......... .......... .......... .......... 71%  133M 0s
  1300K .......... .......... .......... .......... .......... 74%  136M 0s
  1350K .......... .......... .......... .......... .......... 76%  164M 0s
  1400K .......... .......... .......... .......... .......... 79%  129M 0s
  1450K .......... .......... .......... .......... .......... 82% 80.9M 0s
  1500K .......... .......... .......... .......... .......... 85% 71.6M 0s
  1550K .......... .......... .......... .......... .......... 87% 4.06M 0s
  1600K .......... .......... .......... .......... .......... 90%  116M 0s
  1650K .......... .......... .......... .......... .......... 93% 67.0M 0s
  1700K .......... .......... .......... .......... .......... 96% 68.9M 0s
  1750K .......... .......... .......... .......... .......... 98%  203M 0s
  1800K .......... ..........                                 100%  169M=0.1s
2018-04-14 19:05:13 (12.3 MB/s) - 'virtualenv-15.1.0.tar.gz' saved [1863951/1863951]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/python-virtualenv-15.1.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 doc python2 python3
Writing git revision for tag auto/ti/python-virtualenv-15.1.0-1
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.58536
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf virtualenv-15.1.0
Begin-TLD-Builder-Info
Build-Time: user:1.09s sys:0.33s real:3.48s (faults io:10 non-io:115237)
Files queued for ftp:
   1873272 python-virtualenv-15.1.0-1.src.rpm
       196 python-virtualenv-15.1.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info