[nightly] 2013-08-02 cam-04-unx Failure building master (perf) on x86_64-unknown-linux-gnu

[GHC Build Reports]

Branch            = master
Flavour           = perf
Build location    = /64playpen/gmainlan/nightly-new/cam-04-unx/master
Source repository = /home/gmainlan/ghc-mirror
PATH              = /home/gmainlan/local/linux-x86_64/ghc-7.4.2-hp-2012.4.0.0/bin:/usr/bin:/bin

Nightly run begun at Fri Aug 2 18:00:33 BST 2013

cam-04-unx building master (perf) on x86_64-unknown-linux-gnu
**** Checking out new source tree                 ... failed; relevant barfage is below.

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The last 30 lines of /64playpen/gmainlan/nightly-new/cam-04-unx/master/2013-08-02/logs/checkout.log are
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done.
Submodule path 'libraries/pretty': checked out '0b8eada2d4d62dd09ee361d8b6ca9b13e6573202'
Cloning into 'libraries/primitive'...
done.
Submodule path 'libraries/primitive': checked out '75c3379b6d76e914cc3c7ffd290b6b1cad7ea3e6'
Cloning into 'libraries/random'...
done.
Submodule path 'libraries/random': checked out '4b68afd3356674f12a67a4e381fa9becd704fab2'
Cloning into 'libraries/terminfo'...
done.
Submodule path 'libraries/terminfo': checked out '116d3ee6840d52bab69c880d775ae290a20d64bc'
Cloning into 'libraries/time'...
done.
Submodule path 'libraries/time': checked out '12ba4321d34d646cf9040ad12810c4257d26ade9'
Cloning into 'libraries/transformers'...
done.
Submodule path 'libraries/transformers': checked out 'a59fb93860f84ccd44178dcbbb82cfea7e02cd07'
Cloning into 'libraries/vector'...
done.
Submodule path 'libraries/vector': checked out 'f27156970d9480806a5defcfea5367187c2a6997'
Cloning into 'libraries/xhtml'...
done.
Submodule path 'libraries/xhtml': checked out 'fb9e0bbb69e15873682a9f25d39652099a3ccac1'
Unable to checkout '5fa5c41cd9d2c9b4b543312af6919fe3d8588654' in submodule path 'libraries/Cabal'
git failed: 256 at ./sync-all line 119.
== Checking for old haddock repo
== Checking for old binary repo
== Checking for old mtl repo
== Checking for old Cabal repo
== Checking for old time from tarball


Nightly run ended at Fri Aug 2 18:00:53 BST 2013