Main library file confusion

[bvssvni]

https://github.com/carlhuda/cargo/blob/master/DESIGN/MANIFEST.md

It says the default library file will be src/<package-name>.rs

In README it says src/lib.rs

[steveklabnik]

I bet it should be as it is in the README, as that's the general Rust convention.