[...]

 78150K .......... .......... .......... .......... .......... 99% 11.5M 0s
 78200K .......... .......... .......... .......... .......... 99% 11.5M 0s
 78250K .......... .......... .......... .......... .......... 99% 10.8M 0s
 78300K .......... .......... .......... .......... .......... 99% 10.6M 0s
 78350K .......... .......... .......... .......... .......... 99% 11.4M 0s
 78400K .......... .......... .......... .......... .......... 99% 10.9M 0s
 78450K                                                       100%  656G=7.8s
2014-10-16 07:46:44 (9.85 MB/s) - 'linux-3.17.tar.xz' saved [80333152/80333152]
--2014-10-16 07:46:45--  http://df.tld-linux.org/distfiles/by-md5/f/9/f95409f0f5e3897d86acadd960fbcddb/patch-3.17.1.xz
Resolving df.tld-linux.org (df.tld-linux.org)... 46.4.78.55
Connecting to df.tld-linux.org (df.tld-linux.org)|46.4.78.55|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 10348 (10K) [application/x-xz]
Saving to: 'patch-3.17.1.xz'
     0K ..........                                            100% 36.6M=0s
2014-10-16 07:46:45 (36.6 MB/s) - 'patch-3.17.1.xz' saved [10348/10348]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/kernel-3.17-vanilla-3.17.1-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
WARNING! Spec name (kernel-vanilla) does not agree with package name (kernel-3.17-vanilla)
No conditional flags passed
from available:
--with   :	 verbose
--without:	 doc source
Writing git revision for tag auto/ti/kernel-3.17-vanilla-3.17.1-1
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean):  env -i TMP=/home/users/builder/tmp PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin HOME=/home/users/builder TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.87751
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf kernel-3.17-vanilla-3.17.1
Begin-PLD-Builder-Info
Build-Time: user:21.54s sys:7.41s real:43.18s (faults io:51 non-io:376097)
Files queued for ftp:
  80466183 kernel-3.17-vanilla-3.17.1-1.src.rpm
       198 kernel-3.17-vanilla-3.17.1-1.src.rpm.uploadinfo
End-PLD-Builder-Info