[...]

   800K .......... .......... .......... .......... .......... 51%  438M 0s
   850K .......... .......... .......... .......... .......... 54%  374M 0s
   900K .......... .......... .......... .......... .......... 57%  500M 0s
   950K .......... .......... .......... .......... .......... 60%  514M 0s
  1000K .......... .......... .......... .......... .......... 63%  439M 0s
  1050K .......... .......... .......... .......... .......... 66%  501M 0s
  1100K .......... .......... .......... .......... .......... 69%  505M 0s
  1150K .......... .......... .......... .......... .......... 72%  501M 0s
  1200K .......... .......... .......... .......... .......... 75%  443M 0s
  1250K .......... .......... .......... .......... .......... 78%  496M 0s
  1300K .......... .......... .......... .......... .......... 81%  413M 0s
  1350K .......... .......... .......... .......... .......... 85%  434M 0s
  1400K .......... .......... .......... .......... .......... 88%  437M 0s
  1450K .......... .......... .......... .......... .......... 91%  510M 0s
  1500K .......... .......... .......... .......... .......... 94%  502M 0s
  1550K .......... .......... .......... .......... .......... 97%  497M 0s
  1600K .......... .......... .......... .......... ......    100%  478M=0.004s
2019-01-18 18:36:17 (437 MB/s) - 'UnicodeData.txt' saved [1686443/1686443]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ruby-2.4.5-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 9bf69bd - merged 2.4.5 from PLD, updated
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	 bootstrap tests
--without:	 batteries default_ruby doc
Writing git revision for tag auto/ti/ruby-2.4.5-1
On detached HEAD. Use -r BRANCHNAME to override
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.81802
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf ruby-2.4.5
Begin-TLD-Builder-Info
Build-Time: user:2.86s sys:0.30s real:5.59s (faults io:24 non-io:285970)
Files queued for ftp:
  50869667 ruby-2.4.5-1.src.rpm
       182 ruby-2.4.5-1.src.rpm.uploadinfo
End-TLD-Builder-Info