[...]

  5100K .......... .......... .......... .......... .......... 86%  141M 0s
  5150K .......... .......... .......... .......... .......... 87% 57.8M 0s
  5200K .......... .......... .......... .......... .......... 87%  216M 0s
  5250K .......... .......... .......... .......... .......... 88% 91.2M 0s
  5300K .......... .......... .......... .......... .......... 89%  152M 0s
  5350K .......... .......... .......... .......... .......... 90% 92.1M 0s
  5400K .......... .......... .......... .......... .......... 91% 99.5M 0s
  5450K .......... .......... .......... .......... .......... 92% 77.9M 0s
  5500K .......... .......... .......... .......... .......... 92% 84.8M 0s
  5550K .......... .......... .......... .......... .......... 93%  216M 0s
  5600K .......... .......... .......... .......... .......... 94% 80.3M 0s
  5650K .......... .......... .......... .......... .......... 95% 83.9M 0s
  5700K .......... .......... .......... .......... .......... 96% 84.6M 0s
  5750K .......... .......... .......... .......... .......... 97%  226M 0s
  5800K .......... .......... .......... .......... .......... 97% 72.5M 0s
  5850K .......... .......... .......... .......... .......... 98% 79.5M 0s
  5900K .......... .......... .......... .......... .......... 99%  109M 0s
  5950K .......... .........                                  100%  195M=0.06s
2018-05-18 11:50:19 (93.1 MB/s) - 'grub-2.02.tar.xz' saved [6113260/6113260]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/grub2-2.02-2.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 426225c - disable predictable interface names and bios device names via kernel   commandline (just in case, we have it disabled by default anyway)
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	 grubemu
--without:	 efi efiemu pc
Writing git revision for tag auto/ti/grub2-2.02-2
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.67185
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf grub-2.02
Begin-TLD-Builder-Info
Build-Time: user:1.36s sys:0.43s real:4.78s (faults io:186 non-io:233160)
Files queued for ftp:
   6143507 grub2-2.02-2.src.rpm
       182 grub2-2.02-2.src.rpm.uploadinfo
End-TLD-Builder-Info