[...]

  5350K .......... .......... .......... .......... .......... 85% 81.7M 0s
  5400K .......... .......... .......... .......... .......... 86% 37.8M 0s
  5450K .......... .......... .......... .......... .......... 86% 3.57M 0s
  5500K .......... .......... .......... .......... .......... 87%  430M 0s
  5550K .......... .......... .......... .......... .......... 88% 39.4M 0s
  5600K .......... .......... .......... .......... .......... 89% 83.4M 0s
  5650K .......... .......... .......... .......... .......... 90% 45.1M 0s
  5700K .......... .......... .......... .......... .......... 90% 28.0M 0s
  5750K .......... .......... .......... .......... .......... 91% 39.5M 0s
  5800K .......... .......... .......... .......... .......... 92%  460M 0s
  5850K .......... .......... .......... .......... .......... 93% 3.47M 0s
  5900K .......... .......... .......... .......... .......... 94% 80.6M 0s
  5950K .......... .......... .......... .......... .......... 94% 66.1M 0s
  6000K .......... .......... .......... .......... .......... 95% 77.8M 0s
  6050K .......... .......... .......... .......... .......... 96% 30.0M 0s
  6100K .......... .......... .......... .......... .......... 97% 41.2M 0s
  6150K .......... .......... .......... .......... .......... 98% 47.6M 0s
  6200K .......... .......... .......... .......... .......... 98% 34.0M 0s
  6250K .......... .......... .......... .......... .......... 99% 3.40M 0s
  6300K .......... .......... ....                            100%  412M=0.4s
2018-08-31 21:24:59 (15.2 MB/s) - 'mercurial-4.7.tar.gz' saved [6476268/6476268]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/mercurial-4.7-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 tests
Writing git revision for tag auto/ti/mercurial-4.7-1
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.85315
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf mercurial-4.7
Begin-TLD-Builder-Info
Build-Time: user:0.83s sys:0.11s real:3.22s (faults io:14 non-io:149010)
Files queued for ftp:
   6486142 mercurial-4.7-1.src.rpm
       185 mercurial-4.7-1.src.rpm.uploadinfo
End-TLD-Builder-Info