diff --git a/rust-version b/rust-version
index e81e0579a3..e1047d816e 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-4787e97475de6be9487e3d9255a9c2d3c0bf9252
+f577b0ef6e637ab7a6095cdfe0b51fa3faf97050
diff --git a/tests/compile-fail/exact_div3.rs b/tests/compile-fail/exact_div3.rs
index 0460e412e4..0d5097a87a 100644
--- a/tests/compile-fail/exact_div3.rs
+++ b/tests/compile-fail/exact_div3.rs
@@ -1,5 +1,5 @@
 #![feature(core_intrinsics)]
 fn main() {
     // signed divison with a remainder
-    unsafe { std::intrinsics::exact_div(-19i8, 2); } //~ ERROR 237 cannot be divided by 2 without remainder
+    unsafe { std::intrinsics::exact_div(-19i8, 2); } //~ ERROR -19 cannot be divided by 2 without remainder
 }