[...]

  2650K .......... .......... .......... .......... .......... 74% 64.0M 0s
  2700K .......... .......... .......... .......... .......... 76% 69.1M 0s
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  2850K .......... .......... .......... .......... .......... 80% 96.2M 0s
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  3000K .......... .......... .......... .......... .......... 84% 92.6M 0s
  3050K .......... .......... .......... .......... .......... 85% 82.0M 0s
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  3600K .......                                               100%  146M=0.2s
2017-07-04 21:52:48 (17.1 MB/s) - 'lxml-3.6.0.tgz' saved [3693901/3693901]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/python-lxml-3.6.0-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 apidocs python2 python3
Writing git revision for tag auto/ti/python-lxml-3.6.0-2
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.66388
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf lxml-3.6.0
Begin-TLD-Builder-Info
Build-Time: user:1.14s sys:0.34s real:3.00s (faults io:0 non-io:91508)
Files queued for ftp:
   3692782 python-lxml-3.6.0-2.src.rpm
       189 python-lxml-3.6.0-2.src.rpm.uploadinfo
End-TLD-Builder-Info