#![crate_type="lib"]

pub trait Remote {
    fn foo(&self) { }
}

pub trait Remote1<T> {
    fn foo(&self, _t: T) { }
}

pub trait Remote2<T, U> {
    fn foo(&self, _t: T, _u: U) { }
}

pub struct Pair<T,U>(T,U);

#![crate_type="lib"]

pub trait Remote {
    fn foo(&self) { }
}

pub trait Remote1<T> {
    fn foo(&self, t: T) { }
}

pub trait Remote2<T, U> {
    fn foo(&self, t: T, u: U) { }
}

pub struct Pair<T,U>(T,U);

--- 
+++ 
@@ -5,11 +5,11 @@
 }
 
 pub trait Remote1<T> {
-    fn foo(&self, t: T) { }
+    fn foo(&self, _t: T) { }
 }
 
 pub trait Remote2<T, U> {
-    fn foo(&self, t: T, u: U) { }
+    fn foo(&self, _t: T, _u: U) { }
 }
 
 pub struct Pair<T,U>(T,U);
Fix some unused variable warnings
