[...]

   500K .......... .......... .......... .......... .......... 41%  144M 0s
   550K .......... .......... .......... .......... .......... 44%  110M 0s
   600K .......... .......... .......... .......... .......... 48% 81.8M 0s
   650K .......... .......... .......... .......... .......... 52% 7.55M 0s
   700K .......... .......... .......... .......... .......... 56%  184M 0s
   750K .......... .......... .......... .......... .......... 59%  211M 0s
   800K .......... .......... .......... .......... .......... 63%  189M 0s
   850K .......... .......... .......... .......... .......... 67% 1.58M 0s
   900K .......... .......... .......... .......... .......... 71%  193M 0s
   950K .......... .......... .......... .......... .......... 74%  112M 0s
  1000K .......... .......... .......... .......... .......... 78% 87.0M 0s
  1050K .......... .......... .......... .......... .......... 82% 81.7M 0s
  1100K .......... .......... .......... .......... .......... 86% 85.0M 0s
  1150K .......... .......... .......... .......... .......... 89%  224M 0s
  1200K .......... .......... .......... .......... .......... 93% 78.1M 0s
  1250K .......... .......... .......... .......... .......... 97%  204K 0s
  1300K .......... .......... .......... ....                 100%  212K=0.6s
2019-08-26 19:18:53 (2.01 MB/s) - 'libheif-1.4.0.tar.gz' saved [1366030/1366030]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libheif-1.4.0-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at a94ea98 - release 2 (libde265 and libx265 soname change)
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 tests
Writing git revision for tag auto/ti/libheif-1.4.0-2
On detached HEAD. Use -r BRANCHNAME to override
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.87952
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libheif-1.4.0
Begin-TLD-Builder-Info
Build-Time: user:0.78s sys:0.16s real:3.02s (faults io:0 non-io:101856)
Files queued for ftp:
   1373220 libheif-1.4.0-2.src.rpm
       185 libheif-1.4.0-2.src.rpm.uploadinfo
End-TLD-Builder-Info