Make late_bound_lifetime_arguments lint warn-by-default

Author: petrochenkov

src/librustc/lint/builtin.rs

@@ -206,7 +206,7 @@ declare_lint! {
 
 declare_lint! {
     pub LATE_BOUND_LIFETIME_ARGUMENTS,
-    Deny,
+    Warn,
     "detects generic lifetime arguments in path segments with late bound lifetime parameters"
 }
 

src/test/compile-fail/method-call-lifetime-args-lint.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#![deny(late_bound_lifetime_arguments)]
 #![allow(unused)]
 
 struct S;