[...]

--2019-01-13 15:46:59--  http://df.tld-linux.org/distfiles/by-md5/c/5/c5f8eaad80af211708e91398e197cab9/patch-4.19.15.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: 497188 (486K) [application/x-xz]
Saving to: 'patch-4.19.15.xz'
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    50K .......... .......... .......... .......... .......... 20% 1.97M 0s
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   450K .......... .......... .......... .....                100% 9.77M=0.1s
2019-01-13 15:47:00 (3.57 MB/s) - 'patch-4.19.15.xz' saved [497188/497188]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/kernel-4.19-vanilla-4.19.15-1.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-4.19-vanilla)
No conditional flags passed
from available:
--with   :	 verbose
--without:	 doc source
Writing git revision for tag auto/ti/kernel-4.19-vanilla-4.19.15-1
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.84943
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf kernel-4.19-vanilla-4.19.15
Begin-TLD-Builder-Info
Build-Time: user:4.12s sys:0.61s real:21.91s (faults io:118 non-io:165307)
Files queued for ftp:
 103766719 kernel-4.19-vanilla-4.19.15-1.src.rpm
       199 kernel-4.19-vanilla-4.19.15-1.src.rpm.uploadinfo
End-TLD-Builder-Info