[nightly] 23-Jul-2012 build of HEAD (unreg) on x86_64-unknown-linux (cam-04-unx)

[GHC Build Reports]

Build description = HEAD (unreg) on x86_64-unknown-linux (cam-04-unx)
Build location    = /64playpen/simonmar/nightly/HEAD-unreg-cam-04-unx
Build config file = /home/simonmar/nightly/site/msrc/conf-HEAD-unreg-cam-04-unx

Nightly build started on cam-04-unx at Mon Jul 23 18:20:01 BST 2012.
**** checking out new source tree                 ... tar: Cowardly refusing to create an empty archive
Try `tar --help' or `tar --usage' for more information.
Nightly run ended at Mon Jul 23 18:20:01 BST 2012