[...]

Resolving df.tld-linux.org (df.tld-linux.org)... 46.4.78.55
Connecting to df.tld-linux.org (df.tld-linux.org)|46.4.78.55|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 673184 (657K) [application/x-xz]
Saving to: 'gtk-doc-1.25.tar.xz'
     0K .......... .......... .......... .......... ..........  7% 25.5M 0s
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   650K .......                                               100%  222M=0.009s
2017-10-18 18:07:12 (73.6 MB/s) - 'gtk-doc-1.25.tar.xz' saved [673184/673184]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/gtk-doc-1.25-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 gnome tests
--without:	
Writing git revision for tag auto/ti/gtk-doc-1.25-2
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.26594
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf gtk-doc-1.25
Begin-TLD-Builder-Info
Build-Time: user:1.17s sys:0.24s real:1.92s (faults io:0 non-io:99344)
Files queued for ftp:
    679837 gtk-doc-1.25-2.src.rpm
       184 gtk-doc-1.25-2.src.rpm.uploadinfo
End-TLD-Builder-Info