[...]

HTTP request sent, awaiting response... 200 OK
Length: 764820 (747K) [application/x-bzip2]
Saving to: 'ORBit2-2.14.19.tar.bz2'
     0K .......... .......... .......... .......... ..........  6%  629K 1s
    50K .......... .......... .......... .......... .......... 13% 1.22M 1s
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   650K .......... .......... .......... .......... .......... 93% 99.7M 0s
   700K .......... .......... .......... .......... ......    100% 78.7M=0.2s
2019-07-27 10:24:17 (3.61 MB/s) - 'ORBit2-2.14.19.tar.bz2' saved [764820/764820]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ORBit2-2.14.19-8.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 apidocs static_libs
Writing git revision for tag auto/ti/ORBit2-2.14.19-8
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.78064
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf ORBit2-2.14.19
Begin-TLD-Builder-Info
Build-Time: user:0.83s sys:0.10s real:2.86s (faults io:0 non-io:114849)
Files queued for ftp:
    768439 ORBit2-2.14.19-8.src.rpm
       186 ORBit2-2.14.19-8.src.rpm.uploadinfo
End-TLD-Builder-Info