From 823e6f161a977030b9350078e08088a1888eaec4 Mon Sep 17 00:00:00 2001
From: est31 <MTest31@outlook.com>
Date: Thu, 5 Aug 2021 04:53:51 +0200
Subject: [PATCH] Remove box syntax from rustc_serialize

---
 compiler/rustc_serialize/src/lib.rs       | 1 -
 compiler/rustc_serialize/src/serialize.rs | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/compiler/rustc_serialize/src/lib.rs b/compiler/rustc_serialize/src/lib.rs
index c79786a839fc4..b31fbab20ac92 100644
--- a/compiler/rustc_serialize/src/lib.rs
+++ b/compiler/rustc_serialize/src/lib.rs
@@ -9,7 +9,6 @@ Core encoding and decoding interfaces.
     html_playground_url = "https://play.rust-lang.org/",
     test(attr(allow(unused_variables), deny(warnings)))
 )]
-#![feature(box_syntax)]
 #![feature(never_type)]
 #![feature(nll)]
 #![feature(associated_type_bounds)]
diff --git a/compiler/rustc_serialize/src/serialize.rs b/compiler/rustc_serialize/src/serialize.rs
index bb3c537ef1949..4d9aaaecec8a8 100644
--- a/compiler/rustc_serialize/src/serialize.rs
+++ b/compiler/rustc_serialize/src/serialize.rs
@@ -679,6 +679,6 @@ impl<S: Encoder, T: ?Sized + Encodable<S>> Encodable<S> for Box<T> {
 }
 impl<D: Decoder, T: Decodable<D>> Decodable<D> for Box<T> {
     fn decode(d: &mut D) -> Result<Box<T>, D::Error> {
-        Ok(box Decodable::decode(d)?)
+        Ok(Box::new(Decodable::decode(d)?))
     }
 }