[...]

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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   900K .......... .......... ......                          100%  337M=0.2s
2019-08-18 13:06:07 (3.70 MB/s) - 'gts-0.7.6.tar.gz' saved [948847/948847]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/gts-0.7.6-6.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at c2a85ee fix netpbm header location; rel 6
fatal: HEAD does not point to a branch
Writing git revision for tag auto/ti/gts-0.7.6-6
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.74525
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf gts-0.7.6
Begin-TLD-Builder-Info
Build-Time: user:0.81s sys:0.11s real:2.48s (faults io:0 non-io:131256)
Files queued for ftp:
    953068 gts-0.7.6-6.src.rpm
       181 gts-0.7.6-6.src.rpm.uploadinfo
End-TLD-Builder-Info