[...]

  5750K .......... .......... .......... .......... .......... 86% 10.8M 0s
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  6700K .....                                                 100% 11.5M=0.8s
2016-08-18 14:59:00 (7.95 MB/s) - 'Babel-2.3.4.tar.gz' saved [6866920/6866920]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/python-babel-2.3.4-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 tests
--without:	 doc python2 python3
Writing git revision for tag auto/ti/python-babel-2.3.4-1
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.40508
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf Babel-2.3.4
Begin-TLD-Builder-Info
Build-Time: user:4.32s sys:1.59s real:7.91s (faults io:0 non-io:99056)
Files queued for ftp:
   6875968 python-babel-2.3.4-1.src.rpm
       190 python-babel-2.3.4-1.src.rpm.uploadinfo
End-TLD-Builder-Info