[...]

g target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/kernel-3.18-vanilla-3.18.21-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'LINUX_3_18'
WARNING! Spec name (kernel-vanilla) does not agree with package name (kernel-3.18-vanilla)
No conditional flags passed
from available:
--with   :	 verbose
--without:	 doc source
Writing git revision for tag auto/ti/kernel-3.18-vanilla-3.18.21-1
builder: Active branch LINUX_3_18. 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.39659
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf kernel-3.18-vanilla-3.18.21
Begin-PLD-Builder-Info
Build-Time: user:22.00s sys:7.54s real:52.97s (faults io:162 non-io:383865)
Files queued for ftp:
  81663132 kernel-3.18-vanilla-3.18.21-1.src.rpm
       199 kernel-3.18-vanilla-3.18.21-1.src.rpm.uploadinfo
End-PLD-Builder-Info