[...]

builder: SMP make flags are set to -j2
Cloning into 'memcached'...
b54ec60f33bf1c33f0f14fd7dc9fd851ec31043d
Already on 'master'
Your branch is up to date with 'origin/master'.
Already up to date.
Available branches: master
Searching for tag auto/ti/memcached-1.5.11-1...
Searching for tag auto/ti/memcached-1_5_11-1...
--2018-10-22 10:29:33--  http://df.tld-linux.org/distfiles/by-md5/d/4/d44eb29e92c34ba662df25d382d8d2a4/memcached-1.5.11.tar.gz
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: 457692 (447K) [application/x-gzip]
Saving to: 'memcached-1.5.11.tar.gz'
     0K .......... .......... .......... .......... .......... 11%  957K 0s
    50K .......... .......... .......... .......... .......... 22% 2.01M 0s
   100K .......... .......... .......... .......... .......... 33% 4.19M 0s
   150K .......... .......... .......... .......... .......... 44% 6.20M 0s
   200K .......... .......... .......... .......... .......... 55% 4.38M 0s
   250K .......... .......... .......... .......... .......... 67% 6.79M 0s
   300K .......... .......... .......... .......... .......... 78% 8.25M 0s
   350K .......... .......... .......... .......... .......... 89% 9.31M 0s
   400K .......... .......... .......... .......... ......    100% 11.7M=0.1s
2018-10-22 10:29:33 (3.37 MB/s) - 'memcached-1.5.11.tar.gz' saved [457692/457692]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/memcached-1.5.11-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
Writing git revision for tag auto/ti/memcached-1.5.11-1
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.88264
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf memcached-1.5.11
Begin-TLD-Builder-Info
Build-Time: user:1.04s sys:0.22s real:2.68s (faults io:0 non-io:110138)
Files queued for ftp:
    464315 memcached-1.5.11-1.src.rpm
       188 memcached-1.5.11-1.src.rpm.uploadinfo
End-TLD-Builder-Info