[...]

   950K .......... .......... .......... .......... .......... 54%  352M 0s
  1000K .......... .......... .......... .......... .......... 57%  122M 0s
  1050K .......... .......... .......... .......... .......... 60% 73.4M 0s
  1100K .......... .......... .......... .......... .......... 63% 71.8M 0s
  1150K .......... .......... .......... .......... .......... 65% 83.6M 0s
  1200K .......... .......... .......... .......... .......... 68%  355M 0s
  1250K .......... .......... .......... .......... .......... 71% 97.0M 0s
  1300K .......... .......... .......... .......... .......... 74% 77.0M 0s
  1350K .......... .......... .......... .......... .......... 76%  353M 0s
  1400K .......... .......... .......... .......... .......... 79% 79.3M 0s
  1450K .......... .......... .......... .......... .......... 82% 86.1M 0s
  1500K .......... .......... .......... .......... .......... 85% 69.8M 0s
  1550K .......... .......... .......... .......... .......... 87%  374M 0s
  1600K .......... .......... .......... .......... .......... 90% 77.9M 0s
  1650K .......... .......... .......... .......... .......... 93%  108M 0s
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  1750K .......... .......... .......... .......... .......... 98% 3.90M 0s
  1800K .......... ..........                                 100%  183M=0.1s
2018-04-14 19:06:07 (12.4 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/
HEAD is now at c49c046... - updated to 15.1.0 - consistent python- and python3- dependencies
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 doc python2 python3
Writing git revision for tag auto/ti/python-virtualenv-15.1.0-1
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.1264
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf virtualenv-15.1.0
Begin-TLD-Builder-Info
Build-Time: user:0.87s sys:0.19s real:2.55s (faults io:0 non-io:115153)
Files queued for ftp:
   1873331 python-virtualenv-15.1.0-1.src.rpm
       196 python-virtualenv-15.1.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info