[...]

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: 678697 (663K) [application/octet-stream]
Saving to: 'javax.mail-1.4.4-sources.jar'
     0K .......... .......... .......... .......... ..........  7% 1.01M 1s
    50K .......... .......... .......... .......... .......... 15% 2.03M 0s
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   650K .......... ..                                         100%  123M=0.1s
2017-07-04 17:29:52 (4.41 MB/s) - 'javax.mail-1.4.4-sources.jar' saved [678697/678697]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/java-mail-1.4.4-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 javadoc
Writing git revision for tag auto/ti/java-mail-1.4.4-1
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.55850
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf java-mail-1.4.4
Begin-TLD-Builder-Info
Build-Time: user:0.87s sys:0.30s real:2.46s (faults io:0 non-io:88935)
Files queued for ftp:
    661564 java-mail-1.4.4-1.src.rpm
       187 java-mail-1.4.4-1.src.rpm.uploadinfo
End-TLD-Builder-Info