[nightly] 2013-05-23 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 Thu May 23 22:06:21 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/2013-05-23/logs/checkout.log are
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Submodule path 'libraries/Win32': checked out '1f9f7175e747aad7c424f5b12be5b95f15286f0b'
Cloning into 'libraries/binary'...
Submodule path 'libraries/binary': checked out '4d890e4465a0494e5fd80fbcf1fb339d8bd5800d'
Cloning into 'libraries/bytestring'...
Submodule path 'libraries/bytestring': checked out '9692aaf0bf9b203f9249a1414637328fd31fc04a'
Cloning into 'libraries/containers'...
Submodule path 'libraries/containers': checked out '41bc140a140143fa517df4c1a08365474cde4d14'
Cloning into 'libraries/haskeline'...
Submodule path 'libraries/haskeline': checked out '3a92ddd63d4edc622ad4af044c5b664aa64c3dd4'
Cloning into 'libraries/pretty'...
error: Request for 1234c1a0bcd0c03339b687b3cc26c3d81f7a192e aborted
error: Unable to find 1234c1a0bcd0c03339b687b3cc26c3d81f7a192e under http://darcs.haskell.org/libraries/pretty.git
Cannot obtain needed blob 1234c1a0bcd0c03339b687b3cc26c3d81f7a192e
while processing commit 590fce93f61ec5b68e58761653fc967efc8b2678.
error: Fetch failed.
Clone of 'http://darcs.haskell.org/libraries/pretty.git/' into submodule path 'libraries/pretty' 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 Thu May 23 22:07:47 BST 2013