tn23 (x86 OSX HEAD), build 315, Failure

[Builder]

tn23 (x86 OSX HEAD), build 315

Build failed
Details: http://darcs.haskell.org/ghcBuilder/builders/tn23/315.html

git clone | Failure: Just (ExitFailure 128)

Build failed
Details: http://darcs.haskell.org/ghcBuilder/builders/tn23/315.html

-------------- next part --------------
Cloning into build...
error: File 6802b5ec2c90fea7a3b64a267a4652fe4cfd4453 has bad hash
error: Unable to find 6802b5ec2c90fea7a3b64a267a4652fe4cfd4453 under http://darcs.haskell.org/ghc.git
Cannot obtain needed tree 6802b5ec2c90fea7a3b64a267a4652fe4cfd4453
while processing commit 4f018b471c7c5db858beb508b8430ae4d0621173.
error: Fetch failed.