[nightly] 2013-05-28 cam-04-unx Failure building master (perf-llvm) on x86_64-unknown-linux-gnu

[GHC Build Reports]

Branch            = master
Flavour           = perf-llvm
Build location    = /64playpen/gmainlan/nightly-new/cam-04-unx/master-llvm
Source repository = /home/gmainlan/ghc-mirror
PATH              = /home/gmainlan/local/linux-x86_64/llvm-3.1/bin:/home/gmainlan/local/linux-x86_64/ghc-7.4.2-hp-2012.4.0.0/bin:/usr/bin:/bin

Nightly run begun at Tue May 28 19:01:17 BST 2013

cam-04-unx building master (perf-llvm) on x86_64-unknown-linux-gnu
**** Checking out new source tree                 ... failed; relevant barfage is below.
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Respository hashes:
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The last 30 lines of /64playpen/gmainlan/nightly-new/cam-04-unx/master-llvm/2013-05-28/logs/checkout.log are
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Submodule 'libraries/pretty' (http://darcs.haskell.org/libraries/pretty.git/) registered for path 'libraries/pretty'
Submodule 'libraries/primitive' (http://darcs.haskell.org/libraries/primitive.git/) registered for path 'libraries/primitive'
Submodule 'libraries/random' (http://darcs.haskell.org/libraries/random.git/) registered for path 'libraries/random'
Submodule 'libraries/terminfo' (http://darcs.haskell.org/libraries/terminfo.git/) registered for path 'libraries/terminfo'
Submodule 'libraries/time' (http://darcs.haskell.org/libraries/time.git/) registered for path 'libraries/time'
Submodule 'libraries/transformers' (http://darcs.haskell.org/libraries/transformers.git/) registered for path 'libraries/transformers'
Submodule 'libraries/vector' (http://darcs.haskell.org/libraries/vector.git/) registered for path 'libraries/vector'
Submodule 'libraries/xhtml' (http://darcs.haskell.org/libraries/xhtml.git/) registered for path 'libraries/xhtml'
== running git submodule update
Cloning into 'libraries/Cabal'...
error: Request for 0d266bf4e2927e26732ce7f0398f5501442a9908 aborted
error: Unable to find 0d266bf4e2927e26732ce7f0398f5501442a9908 under http://darcs.haskell.org/libraries/Cabal.git
Cannot obtain needed blob 0d266bf4e2927e26732ce7f0398f5501442a9908
while processing commit f15843afe27add8e5c9aca7207c1b7b206415ae7.
error: Fetch failed.
Clone of 'http://darcs.haskell.org/libraries/Cabal.git/' into submodule path 'libraries/Cabal' failed
git failed: 256 at ./sync-all line 116.
== 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
============================
ATTENTION!

You have an old time package in your GHC tree!

Please remove it (e.g. "rm -r libraries/time"), and then run
"./sync-all get" to get the new repository.
============================


Nightly run ended at Tue May 28 19:01:51 BST 2013