[...]

107200K .......... .......... .......... .......... .......... 99%  122M 0s
107250K .......... .......... .......... .......... .......... 99% 62.0M 0s
107300K .......... .......... .......... .......... .......... 99% 38.6M 0s
107350K .......... .......... .......... .......... .......... 99% 67.9M 0s
107400K .......... .......... .......... .......... .......... 99% 56.1M 0s
107450K .......... .......... .......... .......... .......... 99% 54.8M 0s
107500K .......... .......... .......... .......... .......... 99% 46.4M 0s
107550K .......... .......... .......... .......... .......... 99% 71.6M 0s
107600K .......... .......... .......... .......... .......... 99% 70.9M 0s
107650K .......... .......... .......... .......... .......... 99% 41.4M 0s
107700K .......... .......... .......... .......... .......... 99% 65.3M 0s
107750K .......... .......... .......... .......... .......... 99% 65.5M 0s
107800K .......... .......... .......... .......... .......... 99% 59.0M 0s
107850K .......... .......... .......... .......... .......... 99% 40.4M 0s
107900K .......... .......... .......... .......... .......... 99% 93.9M 0s
107950K .......... .......... .......... .......... .......... 99% 56.4M 0s
108000K .......... .......... .......... .......... .......... 99% 87.0M 0s
108050K .......... .......... .......... .......... .......... 99% 37.7M 0s
108100K .......... .......... .......... .......... .......... 99% 59.5M 0s
108150K .......... .......                                    100%  283M=2.0s
2017-10-19 21:53:36 (52.4 MB/s) - 'ghc-7.6.3-src.tar.bz2' saved [110763823/110763823]
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/
Already on 'master'
No conditional flags passed
from available:
--with   :	 bootstrap unregistered
--without:	 doc
Writing git revision for tag auto/ti/ghc-7.6.3-6
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.98335
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf ghc-7.6.3
Begin-TLD-Builder-Info
Build-Time: user:4.65s sys:1.31s real:11.70s (faults io:86 non-io:130055)
Files queued for ftp:
 110766068 ghc-7.6.3-6.src.rpm
       181 ghc-7.6.3-6.src.rpm.uploadinfo
End-TLD-Builder-Info