Auto merge of #1439 - RalfJung:rustup, r=RalfJung

bors · bors · commit dd1e1123346c · 2020-05-29T08:01:40.000Z
str_strip is stable
diff --git a/rust-version b/rust-version
@@ -1 +1 @@
-45127211566c53bac386b66909a830649182ab7a
+255c0338dc0b02f833fb1a816d76febd50c399c4
diff --git a/src/bin/miri.rs b/src/bin/miri.rs
@@ -1,5 +1,4 @@
 #![feature(rustc_private)]
-#![feature(str_strip)]
 
 extern crate rustc_middle;
 extern crate rustc_driver;
