From db7170cf4ad9e4c72e5c456891647d0e1b6355be Mon Sep 17 00:00:00 2001
From: ljedrz <ljedrz@gmail.com>
Date: Thu, 12 Jul 2018 10:35:53 +0200
Subject: [PATCH] Add missing dyn in driver.rs

---
 src/librustc_driver/driver.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/librustc_driver/driver.rs b/src/librustc_driver/driver.rs
index b017cc649bb..3c3c56e6295 100644
--- a/src/librustc_driver/driver.rs
+++ b/src/librustc_driver/driver.rs
@@ -100,7 +100,7 @@ pub fn spawn_thread_pool<F: FnOnce(config::Options) -> R + sync::Send, R: sync::
             // the thread local rustc uses. syntax_globals and syntax_pos_globals are
             // captured and set on the new threads. ty::tls::with_thread_locals sets up
             // thread local callbacks from libsyntax
-            let main_handler = move |worker: &mut FnMut()| {
+            let main_handler = move |worker: &mut dyn FnMut()| {
                 syntax::GLOBALS.set(syntax_globals, || {
                     syntax_pos::GLOBALS.set(syntax_pos_globals, || {
                         ty::tls::with_thread_locals(|| {