[...]

Connecting to df.tld-linux.org (df.tld-linux.org)|46.4.78.55|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 628856 (614K) [application/x-xz]
Saving to: 'patch-4.1.21.xz'
     0K .......... .......... .......... .......... ..........  8% 1.78M 0s
    50K .......... .......... .......... .......... .......... 16% 2.90M 0s
   100K .......... .......... .......... .......... .......... 24% 2.25M 0s
   150K .......... .......... .......... .......... .......... 32% 2.94M 0s
   200K .......... .......... .......... .......... .......... 40% 2.99M 0s
   250K .......... .......... .......... .......... .......... 48% 3.04M 0s
   300K .......... .......... .......... .......... .......... 56% 2.51M 0s
   350K .......... .......... .......... .......... .......... 65% 3.15M 0s
   400K .......... .......... .......... .......... .......... 73% 3.37M 0s
   450K .......... .......... .......... .......... .......... 81% 3.44M 0s
   500K .......... .......... .......... .......... .......... 89% 3.40M 0s
   550K .......... .......... .......... .......... .......... 97% 3.61M 0s
   600K .......... ....                                       100% 4.23M=0.2s
2016-04-18 12:12:35 (2.86 MB/s) - 'patch-4.1.21.xz' saved [628856/628856]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/kernel-4.1-grsecurity-4.1.21-1.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-4.1.21-1
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.56816
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf kernel-4.1-grsecurity-4.1.21
Begin-PLD-Builder-Info
Build-Time: user:32.47s sys:8.27s real:172.44s (faults io:124 non-io:375624)
Files queued for ftp:
  85442640 kernel-4.1-grsecurity-4.1.21-1.src.rpm
       200 kernel-4.1-grsecurity-4.1.21-1.src.rpm.uploadinfo
End-PLD-Builder-Info