[...]

from available:
--with   :	
--without:	 x
Available branches: AC-branch RA-branch master rpm3
Searching for tag auto/ti/mtr-0.92-1...
Searching for tag auto/ti/mtr-0_92-1...
--2018-03-13 10:47:43--  http://distfiles.pld-linux.org/distfiles/by-md5/f/7/f764793302a6cee2bf1573b95db6f295/v0.92.tar.gz
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: 132826 (130K) [application/x-gzip]
Saving to: 'v0.92.tar.gz'
     0K .......... .......... .......... .......... .......... 38% 1.21M 0s
    50K .......... .......... .......... .......... .......... 77% 2.40M 0s
   100K .......... .......... .........                       100% 98.5M=0.06s
2018-03-13 10:47:43 (2.08 MB/s) - 'v0.92.tar.gz' saved [132826/132826]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/mtr-0.92-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 2f473df... - up to 0.92 (no longer works from inside vserver)
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 x
Writing git revision for tag auto/ti/mtr-0.92-1
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.41581
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf mtr-0.92
Begin-TLD-Builder-Info
Build-Time: user:0.92s sys:0.37s real:3.07s (faults io:0 non-io:144607)
Files queued for ftp:
    146599 mtr-0.92-1.src.rpm
       180 mtr-0.92-1.src.rpm.uploadinfo
End-TLD-Builder-Info