[...]

  5700K .......... .......... .......... .......... .......... 86% 79.4M 0s
  5750K .......... .......... .......... .......... .......... 86% 72.1M 0s
  5800K .......... .......... .......... .......... .......... 87%  159M 0s
  5850K .......... .......... .......... .......... .......... 88%  106M 0s
  5900K .......... .......... .......... .......... .......... 89% 82.6M 0s
  5950K .......... .......... .......... .......... .......... 89% 81.4M 0s
  6000K .......... .......... .......... .......... .......... 90% 67.9M 0s
  6050K .......... .......... .......... .......... .......... 91%  136M 0s
  6100K .......... .......... .......... .......... .......... 92%  271M 0s
  6150K .......... .......... .......... .......... .......... 92%  294M 0s
  6200K .......... .......... .......... .......... .......... 93%  283M 0s
  6250K .......... .......... .......... .......... .......... 94%  323M 0s
  6300K .......... .......... .......... .......... .......... 95% 3.83M 0s
  6350K .......... .......... .......... .......... .......... 95%  250M 0s
  6400K .......... .......... .......... .......... .......... 96% 86.0M 0s
  6450K .......... .......... .......... .......... .......... 97% 97.6M 0s
  6500K .......... .......... .......... .......... .......... 98% 57.4M 0s
  6550K .......... .......... .......... .......... .......... 98% 80.6M 0s
  6600K .......... .......... .......... .......... .......... 99%  135M 0s
  6650K .......... .......... ..........                      100%  131M=0.3s
2017-04-05 12:32:34 (22.9 MB/s) - 'elfutils-0.168.tar.bz2' saved [6840399/6840399]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/elfutils-0.168-1.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/elfutils-0.168-1
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.35534
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf elfutils-0.168
Begin-TLD-Builder-Info
Build-Time: user:1.12s sys:0.36s real:43.04s (faults io:0 non-io:149485)
Files queued for ftp:
   6846221 elfutils-0.168-1.src.rpm
       186 elfutils-0.168-1.src.rpm.uploadinfo
End-TLD-Builder-Info