[...]

building SRPM using: cd rpm/packages; nice -n 0 ./builder -nu -nm --nodeps --http --define '_tld_builder 1' -bs  -r HEAD  -Tp auto/ti/ -tt   reiserfsprogs.spec 2>&1
builder: SMP make flags are set to -j2
Cloning into 'reiserfsprogs'...
6151c6e1063ab50cc9341bb585f71f889dbbce00
Already on 'master'
Your branch is up-to-date with 'origin/master'.
Already up-to-date.
Available branches: master
Searching for tag auto/ti/reiserfsprogs-3.6.25-1...
Searching for tag auto/ti/reiserfsprogs-3_6_25-1...
--2016-08-13 21:54:50--  http://df.tld-linux.org/distfiles/by-md5/0/2/027a598b055dccb8da3aea1378a19f3c/reiserfsprogs-3.6.25.tar.xz
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: 448984 (438K) [application/x-xz]
Saving to: 'reiserfsprogs-3.6.25.tar.xz'
     0K .......... .......... .......... .......... .......... 11% 1.78M 0s
    50K .......... .......... .......... .......... .......... 22% 4.18M 0s
   100K .......... .......... .......... .......... .......... 34% 6.50M 0s
   150K .......... .......... .......... .......... .......... 45% 8.38M 0s
   200K .......... .......... .......... .......... .......... 57% 10.3M 0s
   250K .......... .......... .......... .......... .......... 68% 11.5M 0s
   300K .......... .......... .......... .......... .......... 79% 11.4M 0s
   350K .......... .......... .......... .......... .......... 91% 10.9M 0s
   400K .......... .......... .......... ........             100% 11.6M=0.07s
2016-08-13 21:54:50 (5.83 MB/s) - 'reiserfsprogs-3.6.25.tar.xz' saved [448984/448984]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/reiserfsprogs-3.6.25-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/reiserfsprogs-3.6.25-1
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.6316
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf reiserfsprogs-3.6.25
Begin-TLD-Builder-Info
Build-Time: user:2.55s sys:1.15s real:6.34s (faults io:151 non-io:85804)
Files queued for ftp:
    459181 reiserfsprogs-3.6.25-1.src.rpm
       192 reiserfsprogs-3.6.25-1.src.rpm.uploadinfo
End-TLD-Builder-Info