From d307f5650aa0dbc77c5a277300ad12550fef60cc Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Thu, 5 May 2022 21:39:18 -0700
Subject: [PATCH] Restore support for rust pre-1.33

    error[E0658]: renaming imports with `_` is unstable (see issue 48216)
     --> src/fallback.rs:7:38
      |
    7 | use std::fmt::{self, Debug, Display, Write as _};
      |                                      ^^^^^^^^^^
---
 src/fallback.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/fallback.rs b/src/fallback.rs
index c365ecbf..21ede03f 100644
--- a/src/fallback.rs
+++ b/src/fallback.rs
@@ -4,7 +4,7 @@ use crate::{Delimiter, Spacing, TokenTree};
 use std::cell::RefCell;
 #[cfg(span_locations)]
 use std::cmp;
-use std::fmt::{self, Debug, Display, Write as _};
+use std::fmt::{self, Debug, Display, Write};
 use std::iter::FromIterator;
 use std::mem;
 use std::ops::RangeBounds;