[...]

Saving to: 'nspr-4.13.1.tar.gz'
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2017-04-04 12:16:22 (7.61 MB/s) - 'nspr-4.13.1.tar.gz' saved [1136646/1136646]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/nspr-4.13.1-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 5d19e17... - updated to 4.13.1
fatal: HEAD does not point to a branch
Writing git revision for tag auto/ti/nspr-4.13.1-1
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.86629
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf nspr-4.13.1
Begin-TLD-Builder-Info
Build-Time: user:1.13s sys:0.30s real:45.52s (faults io:0 non-io:103192)
Files queued for ftp:
   1141622 nspr-4.13.1-1.src.rpm
       183 nspr-4.13.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info