[...]

Saving to: 'libcbor-0.5.0.tar.gz'
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2020-02-29 19:33:57 (3.05 MB/s) - 'libcbor-0.5.0.tar.gz' saved [719348/719348]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/libcbor-0.5.0-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at a381923 - new
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 apidocs
Writing git revision for tag auto/ti/libcbor-0.5.0-1
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.6184
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf libcbor-0.5.0
Begin-TLD-Builder-Info
Build-Time: user:0.79s sys:0.22s real:2.29s (faults io:0 non-io:74336)
Files queued for ftp:
    721693 libcbor-0.5.0-1.src.rpm
       185 libcbor-0.5.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info