rust.0.10.20140312 on Windows X_Type XX_Type xx_Type pub struct xx_Type { } All the above struct names give the error:- `X_Type` should have a camel case identifier, #[warn(non_camel_case_types)] on by default These names didn't give errors in 0.9 struct name aren't required to be camel case. The bug is with '_' in struct names?