Box ExprKind::{Closure,MethodCall}, and QSelf in expressions, types, and patterns.

compiler/rustc_lint/src/early.rs

@@ -212,7 +212,10 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
         // Explicitly check for lints associated with 'closure_id', since
         // it does not have a corresponding AST node
         match e.kind {
-            ast::ExprKind::Closure(_, _, ast::Async::Yes { closure_id, .. }, ..)
+            ast::ExprKind::Closure(box ast::Closure {
+                asyncness: ast::Async::Yes { closure_id, .. },
+                ..
+            })
             | ast::ExprKind::Async(_, closure_id, ..) => self.check_id(closure_id),
             _ => {}
         }

compiler/rustc_lint/src/unused.rs

@@ -653,7 +653,7 @@ trait UnusedDelimLint {
             ref call_or_other => {
                 let (args_to_check, ctx) = match *call_or_other {
                     Call(_, ref args) => (&args[..], UnusedDelimsCtx::FunctionArg),
-                    MethodCall(_, _, ref args, _) => (&args[..], UnusedDelimsCtx::MethodArg),
+                    MethodCall(ref call) => (&call.args[..], UnusedDelimsCtx::MethodArg),
                     // actual catch-all arm
                     _ => {
                         return;