Which appears to be an upstream issue. https://github.com/mxcl/homebrew/issues/2...

		cicloid on Oct 22, 2013 \| parent \| context \| favorite \| on: OS X 10.9 Mavericks: The Ars Technica Review Which appears to be an upstream issue. https://github.com/mxcl/homebrew/issues/21000 :S And has been failing since before the GM was seeded.