// 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. // note that these aux-build directives must be in this order // aux-build:svh-a-base.rs // aux-build:svh-b.rs // aux-build:svh-a-change-trait-bound.rs #![feature(macro_rules)] extern crate a; extern crate b; //~ ERROR: found possibly newer version of crate `a` which `b` depends on //~^ NOTE: perhaps this crate needs to be recompiled fn main() { b::foo() }