[...]

100200K .......... .......... .......... .......... .......... 99%  180M 0s
100250K .......... .......... .......... .......... .......... 99% 81.3M 0s
100300K .......... .......... .......... .......... .......... 99% 99.2M 0s
100350K .......... .......... .......... .......... .......... 99% 79.0M 0s
100400K .......... .......... .......... .......... .......... 99%  180M 0s
100450K .......... .......... .......... .......... .......... 99% 89.1M 0s
100500K .......... .......... .......... .......... .......... 99% 82.0M 0s
100550K .......... .......... .......... .......... .......... 99%  123M 0s
100600K .....                                                 100%  113M=1.0s
2018-04-12 09:16:53 (94.8 MB/s) - 'linux-4.16.tar.xz' saved [103020152/103020152]
--2018-04-12 09:16:53--  http://df.tld-linux.org/distfiles/by-md5/b/a/bade764e616e8283b6a620f268337651/patch-4.16.1.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: 11768 (11K) [application/x-xz]
Saving to: 'patch-4.16.1.xz'
     0K .......... .                                          100% 94.0M=0s
2018-04-12 09:16:53 (94.0 MB/s) - 'patch-4.16.1.xz' saved [11768/11768]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/linux-libc-headers-4.16.1-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 tests
Writing git revision for tag auto/ti/linux-libc-headers-4.16.1-1
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.87527
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf linux-libc-headers-4.16.1
Begin-TLD-Builder-Info
Build-Time: user:4.34s sys:1.23s real:9.80s (faults io:91 non-io:151838)
Files queued for ftp:
 103083532 linux-libc-headers-4.16.1-1.src.rpm
       197 linux-libc-headers-4.16.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info