[...]

--2018-10-22 11:37:02--  http://distfiles.pld-linux.org/distfiles/by-md5/f/3/f33cdfc67346f7217a9326c0d8679975/libxcb-1.13.1.tar.bz2
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: 506778 (495K) [application/x-bzip2]
Saving to: 'libxcb-1.13.1.tar.bz2'
     0K .......... .......... .......... .......... .......... 10%  622K 1s
    50K .......... .......... .......... .......... .......... 20% 1.21M 0s
   100K .......... .......... .......... .......... .......... 30% 70.4M 0s
   150K .......... .......... .......... .......... .......... 40% 67.7M 0s
   200K .......... .......... .......... .......... .......... 50% 1.25M 0s
   250K .......... .......... .......... .......... .......... 60% 90.6M 0s
   300K .......... .......... .......... .......... .......... 70% 74.3M 0s
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   400K .......... .......... .......... .......... .......... 90% 1.30M 0s
   450K .......... .......... .......... .......... ....      100% 69.7M=0.2s
2018-10-22 11:37:03 (2.40 MB/s) - 'libxcb-1.13.1.tar.bz2' saved [506778/506778]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libxcb-1.13.1-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 55c43d3 - updated to 1.13.1
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 apidocs graphviz
Writing git revision for tag auto/ti/libxcb-1.13.1-1
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.58453
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libxcb-1.13.1
Begin-TLD-Builder-Info
Build-Time: user:0.65s sys:0.10s real:2.35s (faults io:0 non-io:96860)
Files queued for ftp:
    515665 libxcb-1.13.1-1.src.rpm
       185 libxcb-1.13.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info