[...]

2016-01-27 16:04:39 (7.07 MB/s) - 'linux-4.1.tar.xz' saved [83017828/83017828]
--2016-01-27 16:04:40--  http://df.tld-linux.org/distfiles/by-md5/8/c/8c3804e9af8e28279071ce745ee4d579/patch-4.1.16.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: 442300 (432K) [application/x-xz]
Saving to: 'patch-4.1.16.xz'
     0K .......... .......... .......... .......... .......... 11% 1.83M 0s
    50K .......... .......... .......... .......... .......... 23% 3.93M 0s
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   250K .......... .......... .......... .......... .......... 69% 11.4M 0s
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   400K .......... .......... .......... .                    100% 11.1M=0.1s
2016-01-27 16:04:40 (4.33 MB/s) - 'patch-4.1.16.xz' saved [442300/442300]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/kernel-4.1-grsecurity-4.1.16-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'LINUX_4_1'
WARNING! Spec name (kernel-grsecurity) does not agree with package name (kernel-4.1-grsecurity)
No conditional flags passed
from available:
--with   :	 pax verbose
--without:	 doc source
Writing git revision for tag auto/ti/kernel-4.1-grsecurity-4.1.16-1
builder: Active branch LINUX_4_1. 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.12907
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf kernel-4.1-grsecurity-4.1.16
Begin-PLD-Builder-Info
Build-Time: user:30.66s sys:8.17s real:138.20s (faults io:138 non-io:566848)
Files queued for ftp:
  85256139 kernel-4.1-grsecurity-4.1.16-1.src.rpm
       200 kernel-4.1-grsecurity-4.1.16-1.src.rpm.uploadinfo
End-PLD-Builder-Info