[...]

Resolving distfiles.pld-linux.org (distfiles.pld-linux.org)... 193.239.45.41
Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 948847 (927K) [application/x-gzip]
Saving to: 'gts-0.7.6.tar.gz'
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    50K .......... .......... .......... .......... .......... 10% 2.41M 1s
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   850K .......... .......... .......... .......... .......... 97% 65.2M 0s
   900K .......... .......... ......                          100% 52.1M=0.1s
2018-04-09 09:41:28 (7.18 MB/s) - 'gts-0.7.6.tar.gz' saved [948847/948847]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/gts-0.7.6-5.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 6857d58... - x32 rebuild - release 5 (by relup.sh)
fatal: HEAD does not point to a branch
Writing git revision for tag auto/ti/gts-0.7.6-5
On detached HEAD. 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.43935
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf gts-0.7.6
Begin-TLD-Builder-Info
Build-Time: user:1.30s sys:0.34s real:3.02s (faults io:1 non-io:115160)
Files queued for ftp:
    952636 gts-0.7.6-5.src.rpm
       181 gts-0.7.6-5.src.rpm.uploadinfo
End-TLD-Builder-Info