[...]

from available:
--with   :	
--without:	 prof
Available branches: master
Searching for tag auto/ti/ghc-aeson-0.6.2.1-1...
Searching for tag auto/ti/ghc-aeson-0_6_2_1-1...
--2017-10-21 15:14:30--  http://distfiles.pld-linux.org/distfiles/by-md5/3/e/3e06429d5e10812c9d8b8f184455e9a1/aeson-0.6.2.1.tar.gz
Resolving distfiles.pld-linux.org (distfiles.pld-linux.org)... 193.239.45.41
Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 110417 (108K) [application/x-gzip]
Saving to: 'aeson-0.6.2.1.tar.gz'
     0K .......... .......... .......... .......... .......... 46% 1.05M 0s
    50K .......... .......... .......... .......... .......... 92% 2.12M 0s
   100K .......                                               100% 96.6M=0.07s
2017-10-21 15:14:31 (1.51 MB/s) - 'aeson-0.6.2.1.tar.gz' saved [110417/110417]
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/ghc-aeson-0.6.2.1-1.src.rpm
exit status 0
Tagging with prefix: auto/ti/
HEAD is now at d8970ab... - added missing dlist dependency (omitted in .cabal)
fatal: HEAD does not point to a branch
No conditional flags passed
from available:
--with   :	
--without:	 prof
Writing git revision for tag auto/ti/ghc-aeson-0.6.2.1-1
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.33568
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf aeson-0.6.2.1
Begin-TLD-Builder-Info
Build-Time: user:0.87s sys:0.20s real:2.20s (faults io:0 non-io:84498)
Files queued for ftp:
    116358 ghc-aeson-0.6.2.1-1.src.rpm
       189 ghc-aeson-0.6.2.1-1.src.rpm.uploadinfo
End-TLD-Builder-Info