From f2a90174bb36b9ad528e863ab34c02ebce002b02 Mon Sep 17 00:00:00 2001
From: Valentin <valentin@devling.xyz>
Date: Fri, 15 Jun 2018 18:57:24 +0200
Subject: Update for latest nightly 2018-06-09 (#70)

* Update for latest nightly 2018-06-09
* We now have a proper horizon os and sys modules in libstd
---
 ctr-std/src/sync/mutex.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ctr-std/src/sync/mutex.rs')

diff --git a/ctr-std/src/sync/mutex.rs b/ctr-std/src/sync/mutex.rs
index 3b4904c..f3503b0 100644
--- a/ctr-std/src/sync/mutex.rs
+++ b/ctr-std/src/sync/mutex.rs
@@ -150,7 +150,7 @@ unsafe impl<T: ?Sized + Send> Sync for Mutex<T> { }
 /// [`lock`]: struct.Mutex.html#method.lock
 /// [`try_lock`]: struct.Mutex.html#method.try_lock
 /// [`Mutex`]: struct.Mutex.html
-#[must_use]
+#[must_use = "if unused the Mutex will immediately unlock"]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct MutexGuard<'a, T: ?Sized + 'a> {
     // funny underscores due to how Deref/DerefMut currently work (they
-- 
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