[...]

  7200K .......... .......... .......... .......... .......... 88% 77.5M 0s
  7250K .......... .......... .......... .......... .......... 89% 65.8M 0s
  7300K .......... .......... .......... .......... .......... 90%  102M 0s
  7350K .......... .......... .......... .......... .......... 90% 52.7M 0s
  7400K .......... .......... .......... .......... .......... 91% 34.5M 0s
  7450K .......... .......... .......... .......... .......... 91% 7.30M 0s
  7500K .......... .......... .......... .......... .......... 92% 39.5M 0s
  7550K .......... .......... .......... .......... .......... 93% 84.4M 0s
  7600K .......... .......... .......... .......... .......... 93% 43.1M 0s
  7650K .......... .......... .......... .......... .......... 94% 37.3M 0s
  7700K .......... .......... .......... .......... .......... 94% 84.5M 0s
  7750K .......... .......... .......... .......... .......... 95% 72.6M 0s
  7800K .......... .......... .......... .......... .......... 96% 48.9M 0s
  7850K .......... .......... .......... .......... .......... 96% 76.2M 0s
  7900K .......... .......... .......... .......... .......... 97% 43.4M 0s
  7950K .......... .......... .......... .......... .......... 98% 72.7M 0s
  8000K .......... .......... .......... .......... .......... 98% 69.0M 0s
  8050K .......... .......... .......... .......... .......... 99% 97.1M 0s
  8100K .......... .......... .......... .......... .......... 99% 70.6M 0s
  8150K .......... ..                                         100% 31.9M=0.3s
2018-03-12 16:06:03 (23.3 MB/s) - 'elfutils-0.170.tar.bz2' saved [8358001/8358001]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/elfutils-0.170-2.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/elfutils-0.170-2
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.63222
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf elfutils-0.170
Begin-TLD-Builder-Info
Build-Time: user:1.18s sys:0.33s real:3.74s (faults io:0 non-io:157036)
Files queued for ftp:
   8367058 elfutils-0.170-2.src.rpm
       186 elfutils-0.170-2.src.rpm.uploadinfo
End-TLD-Builder-Info