[...]

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 97100K .......... .......... .......... .......... .......... 99% 80.2M 0s
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 97300K .......... .......... .......... .......... .......... 99% 82.3M 0s
 97350K .......... .......... .......... .......... .......... 99% 77.5M 0s
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 97550K .......... .                                          100%  403M=1.0s
2017-04-03 12:35:49 (96.6 MB/s) - 'gcc-6.3.0.tar.bz2' saved [99903185/99903185]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/gcc-6.3.0-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 024a8b6... - merged 6.3.0 from PLD
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	 apidocs dssi gcc_libffi gtk mozilla qt symvers tests x
--without:	 ada alsa bootstrap cxx fortran go gomp java multilib objc objcxx profiling python
Writing git revision for tag auto/ti/gcc-6.3.0-2
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.88796
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf gcc-6.3.0
Begin-TLD-Builder-Info
Build-Time: user:4.92s sys:1.20s real:46.86s (faults io:4 non-io:181834)
Files queued for ftp:
  99780897 gcc-6.3.0-2.src.rpm
       181 gcc-6.3.0-2.src.rpm.uploadinfo
End-TLD-Builder-Info