[...]

 80900K .......... .......... .......... .......... .......... 99% 11.5M 0s
 80950K .......... .......... .......... .......... .......... 99% 1.97M 0s
 81000K .......... .......... .......... .......... .......... 99% 56.5M 0s
 81050K .......... .......... ..                              100% 43.9M=7.2s
2015-08-11 09:41:40 (11.0 MB/s) - 'linux-4.1.tar.xz' saved [83017828/83017828]
--2015-08-11 09:41:41--  http://df.tld-linux.org/distfiles/by-md5/7/9/79d9a168b73d91544c15b3b77221528a/patch-4.1.5.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: 170056 (166K) [application/x-xz]
Saving to: 'patch-4.1.5.xz'
     0K .......... .......... .......... .......... .......... 30% 1.82M 0s
    50K .......... .......... .......... .......... .......... 60% 3.92M 0s
   100K .......... .......... .......... .......... .......... 90% 10.9M 0s
   150K .......... ......                                     100% 12.5M=0.04s
2015-08-11 09:41:41 (3.60 MB/s) - 'patch-4.1.5.xz' saved [170056/170056]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/kernel-4.1-vanilla-4.1.5-1.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-4.1-vanilla)
No conditional flags passed
from available:
--with   :	 verbose
--without:	 doc source
Writing git revision for tag auto/ti/kernel-4.1-vanilla-4.1.5-1
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.94118
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf kernel-4.1-vanilla-4.1.5
Begin-PLD-Builder-Info
Build-Time: user:17.88s sys:6.58s real:35.82s (faults io:1 non-io:385063)
Files queued for ftp:
  83313552 kernel-4.1-vanilla-4.1.5-1.src.rpm
       196 kernel-4.1-vanilla-4.1.5-1.src.rpm.uploadinfo
End-PLD-Builder-Info