[...]

  2900K .......... .......... .......... .......... .......... 78% 83.6M 0s
  2950K .......... .......... .......... .......... .......... 79%  363M 0s
  3000K .......... .......... .......... .......... .......... 80% 69.9M 0s
  3050K .......... .......... .......... .......... .......... 82% 92.4M 0s
  3100K .......... .......... .......... .......... .......... 83% 67.0M 0s
  3150K .......... .......... .......... .......... .......... 84% 82.9M 0s
  3200K .......... .......... .......... .......... .......... 86% 71.9M 0s
  3250K .......... .......... .......... .......... .......... 87%  388M 0s
  3300K .......... .......... .......... .......... .......... 88% 93.0M 0s
  3350K .......... .......... .......... .......... .......... 90% 69.5M 0s
  3400K .......... .......... .......... .......... .......... 91% 89.0M 0s
  3450K .......... .......... .......... .......... .......... 92% 69.2M 0s
  3500K .......... .......... .......... .......... .......... 94% 79.0M 0s
  3550K .......... .......... .......... .......... .......... 95% 73.1M 0s
  3600K .......... .......... .......... .......... .......... 96% 80.5M 0s
  3650K .......... .......... .......... .......... .......... 98% 5.08M 0s
  3700K .......... .......... .......... .......... .......... 99% 82.9M 0s
  3750K .......... .......... ..                              100%  317M=0.2s
2018-09-02 13:53:13 (20.2 MB/s) - 'harfbuzz-1.8.8.tar.bz2' saved [3862626/3862626]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/harfbuzz-1.8.8-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 6089ba5 up to 1.8.8
fatal: HEAD does not point to a branch
Building harfbuzz.spec with the following conditional flags:
 --without tests
from available:
--with   :	
--without:	 graphite2 icu static_libs <tests>
Writing git revision for tag auto/ti/harfbuzz-1.8.8-1
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.66407
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf harfbuzz-1.8.8
Begin-TLD-Builder-Info
Build-Time: user:0.67s sys:0.08s real:2.09s (faults io:0 non-io:100752)
Files queued for ftp:
   3833973 harfbuzz-1.8.8-1.src.rpm
       186 harfbuzz-1.8.8-1.src.rpm.uploadinfo
End-TLD-Builder-Info