Disallow needless_lifetimes

https://github.com/Manishearth/rust-clippy/issues/740

Author: nox

src/lib.rs

@@ -3,7 +3,6 @@
 
 #![cfg_attr(feature = "clippy", feature(plugin))]
 #![cfg_attr(feature = "clippy", plugin(clippy))]
-#![cfg_attr(feature = "clippy", allow(needless_lifetimes))]
 
 extern crate syntex_syntax as syntax;
 extern crate libc;
@@ -198,6 +197,8 @@ impl Bindings {
         self.write(Box::new(file))
     }
 
+    // https://github.com/Manishearth/rust-clippy/issues/740
+    #[cfg_attr(feature = "clippy", allow(needless_lifetimes))]
     pub fn write<'a>(&self, mut writer: Box<Write + 'a>) -> io::Result<()> {
         try!(writer.write("/* automatically generated by rust-bindgen */\n\n".as_bytes()));
         let mut ps = pprust::rust_printer(writer);