[...]

  1950K .......... .......... .......... .......... .......... 88%  387M 0s
  2000K .......... .......... .......... .......... .......... 91% 77.8M 0s
  2050K .......... .......... .......... .......... .......... 93% 78.8M 0s
  2100K .......... .......... .......... .......... .......... 95% 73.1M 0s
  2150K .......... .......... .......... .......... .......... 97%  480M 0s
  2200K .......... .......... .......... .......... .......... 99% 88.0M 0s
  2250K                                                       100% 1267G=0.02s
2018-07-30 16:53:34 (93.9 MB/s) - 'squid-3.5.28.tar.xz' saved [2304680/2304680]
--2018-07-30 16:53:34--  http://df.tld-linux.org/distfiles/by-md5/4/f/4f3b6dab1de9cbb847df89d8b417378a/book-full-html.zip
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: 120253 (117K) [application/zip]
Saving to: 'book-full-html.zip'
     0K .......... .......... .......... .......... .......... 42% 4.43M 0s
    50K .......... .......... .......... .......... .......... 85% 6.20M 0s
   100K .......... .......                                    100% 23.5M=0.02s
2018-07-30 16:53:39 (5.84 MB/s) - 'book-full-html.zip' saved [120253/120253]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/squid-3.5.28-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
Already on 'master'
No conditional flags passed
from available:
--with   :	 combined_log
--without:	
Writing git revision for tag auto/ti/squid-3.5.28-1
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.88589
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf squid-3.5.28
Begin-TLD-Builder-Info
Build-Time: user:0.66s sys:0.10s real:69.66s (faults io:195 non-io:248437)
Files queued for ftp:
   2453674 squid-3.5.28-1.src.rpm
       184 squid-3.5.28-1.src.rpm.uploadinfo
End-TLD-Builder-Info