[...]

123300K .......... .......... .......... .......... .......... 99% 21.9M 0s
123350K .......... .......... .......... .......... .......... 99%  112M 0s
123400K .......... .......... .......... .......... .......... 99% 47.0M 0s
123450K .......... .......... .......... .......... .......... 99% 74.3M 0s
123500K .......... .......... .......... .......... .......... 99%  134M 0s
123550K .......... .......... .......... .......... .......... 99% 60.6M 0s
123600K .......... .......... .......... .......... .......... 99% 97.9M 0s
123650K .......... .......... .......... .......... .......... 99% 70.8M 0s
123700K .......... .......... .......... .......... .......... 99%  193M 0s
123750K .......... .......... .......... .......... .......... 99%  146M 0s
123800K .......... .......... .......... .......... .......... 99%  145M 0s
123850K .......... .......... .......... .......... .......... 99% 33.6M 0s
123900K .......... .......... .......... .......... .......... 99% 6.52M 0s
123950K .......... .......... .......... .......... .......... 99%  228M 0s
124000K .......... .......... .......... .......... .......... 99% 34.6M 0s
124050K .......... .......... .......... .......... .......... 99% 25.7M 0s
124100K .......... .......... .......... .......... .......... 99%  248M 0s
124150K .......... .......... .......... .                    100%  245M=2.9s
2017-10-19 21:55:25 (42.2 MB/s) - 'ghc-7.6.3-x86_64-unknown-linux.tar.bz2' saved [127161641/127161641]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ghc-7.6.3-6.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at 332f979... - release 6
fatal: HEAD does not point to a branch
Building ghc.spec with the following conditional flags:
 --with bootstrap
from available:
--with   :	 <bootstrap> unregistered
--without:	 doc
Writing git revision for tag auto/ti/ghc-7.6.3-6
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.35133
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf ghc-7.6.3
Begin-TLD-Builder-Info
Build-Time: user:13.47s sys:7.00s real:41.07s (faults io:153 non-io:162695)
Files queued for ftp:
 363655856 ghc-7.6.3-6.src.rpm
       181 ghc-7.6.3-6.src.rpm.uploadinfo
End-TLD-Builder-Info