[...]

ing git revision for tag auto/ti/vulkan-loader-1.0.3.0-3.s20160222.1
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.68378
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf Vulkan-LoaderAndValidationLayers-b654da708be8f14e7f4c6f78df656229939422c8
Begin-TLD-Builder-Info
Build-Time: user:1.03s sys:0.23s real:3.89s (faults io:0 non-io:90973)
Files queued for ftp:
  15183407 vulkan-loader-1.0.3.0-3.s20160222.1.src.rpm
       205 vulkan-loader-1.0.3.0-3.s20160222.1.src.rpm.uploadinfo
End-TLD-Builder-Info