From 31e863233872eb3f4239a25f42030c369c22d72b Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 27 Sep 2024 11:21:48 -0700
Subject: [PATCH] Fix construction of UseGroup containing crate roots

---
 src/item.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/item.rs b/src/item.rs
index aaee5ede1..819f0fbda 100644
--- a/src/item.rs
+++ b/src/item.rs
@@ -1411,14 +1411,16 @@ pub(crate) mod parsing {
                     &content,
                     allow_crate_root_in_path && !this_tree_starts_with_crate_root,
                 )? {
-                    Some(tree) => items.push_value(tree),
-                    None => has_any_crate_root_in_path = true,
+                    Some(tree) if !has_any_crate_root_in_path => items.push_value(tree),
+                    _ => has_any_crate_root_in_path = true,
                 }
                 if content.is_empty() {
                     break;
                 }
                 let comma: Token![,] = content.parse()?;
-                items.push_punct(comma);
+                if !has_any_crate_root_in_path {
+                    items.push_punct(comma);
+                }
             }
             if has_any_crate_root_in_path {
                 Ok(None)