// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![allow(unused_assignments)] #![allow(unused_variables)] #![allow(dead_code)] #![deny(unused_mut)] struct Foo; impl Foo { fn foo(mut self) {} //~ ERROR: variable does not need to be mutable fn bar(mut self: Box) {} //~ ERROR: variable does not need to be mutable } fn main() {}