tn23 (x86 OSX HEAD), build 324, Failure

[Builder]

tn23 (x86 OSX HEAD), build 324

Build failed
Details: http://darcs.haskell.org/ghcBuilder/builders/tn23/324.html

git clone | Failure: Just (ExitFailure 128)

Build failed
Details: http://darcs.haskell.org/ghcBuilder/builders/tn23/324.html

-------------- next part --------------
Cloning into build...
error: Unable to find b0c2f3898fc59bce41f96776678a17dce2ca005f under http://darcs.haskell.org/ghc.git
Cannot obtain needed tree b0c2f3898fc59bce41f96776678a17dce2ca005f
while processing commit 7bf5bf37e7f4f140c883016e9da50106535d2a94.
error: Fetch failed.