[...]

   300K .......... .......... .......... .......... .......... 27%  182M 0s
   350K .......... .......... .......... .......... .......... 31% 2.63M 0s
   400K .......... .......... .......... .......... .......... 35% 22.6M 0s
   450K .......... .......... .......... .......... .......... 39%  126M 0s
   500K .......... .......... .......... .......... .......... 43% 68.0M 0s
   550K .......... .......... .......... .......... .......... 47%  106M 0s
   600K .......... .......... .......... .......... .......... 51%  144M 0s
   650K .......... .......... .......... .......... .......... 55%  181M 0s
   700K .......... .......... .......... .......... .......... 58%  187M 0s
   750K .......... .......... .......... .......... .......... 62% 2.98M 0s
   800K .......... .......... .......... .......... .......... 66%  155M 0s
   850K .......... .......... .......... .......... .......... 70% 91.5M 0s
   900K .......... .......... .......... .......... .......... 74% 66.9M 0s
   950K .......... .......... .......... .......... .......... 78%  111M 0s
  1000K .......... .......... .......... .......... .......... 82% 52.2M 0s
  1050K .......... .......... .......... .......... .......... 86%  104M 0s
  1100K .......... .......... .......... .......... .......... 90% 3.16M 0s
  1150K .......... .......... .......... .......... .......... 94%  150M 0s
  1200K .......... .......... .......... .......... .......... 98%  109M 0s
  1250K .......... .......... ..                              100%  227M=0.1s
2018-05-25 17:29:53 (10.3 MB/s) - 'libheif-1.1.0.tar.gz' saved [1302820/1302820]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libheif-1.1.0-1.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/libheif-1.1.0-1
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.4689
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libheif-1.1.0
Begin-TLD-Builder-Info
Build-Time: user:1.04s sys:0.31s real:2.61s (faults io:16 non-io:77304)
Files queued for ftp:
   1307699 libheif-1.1.0-1.src.rpm
       185 libheif-1.1.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info