[...]

Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 598758 (585K) [application/x-gzip]
Saving to: 'vapoursynth-46.tar.gz'
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2019-08-17 22:51:02 (2.79 MB/s) - 'vapoursynth-46.tar.gz' saved [598758/598758]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/vapoursynth-46-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 2f29a7a - updated to 46
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	 im sse
--without:	 doc ffmpeg static_libs
Writing git revision for tag auto/ti/vapoursynth-46-1
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.49037
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf vapoursynth-R46
Begin-TLD-Builder-Info
Build-Time: user:0.63s sys:0.09s real:2.36s (faults io:0 non-io:96443)
Files queued for ftp:
    604931 vapoursynth-46-1.src.rpm
       186 vapoursynth-46-1.src.rpm.uploadinfo
End-TLD-Builder-Info