From 373a154679d868cf690ffa53de01f689069afd4b Mon Sep 17 00:00:00 2001
From: Boshen <boshenc@gmail.com>
Date: Wed, 19 Mar 2025 14:41:06 +0800
Subject: [PATCH] fix: "Formatting argument out of range" in rustc nightly

relates https://github.com/rust-lang/rust/pull/136932

fixes #9738
---
 src/handlers/graphical.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/handlers/graphical.rs b/src/handlers/graphical.rs
index 7948e38..c77cfec 100644
--- a/src/handlers/graphical.rs
+++ b/src/handlers/graphical.rs
@@ -1041,6 +1041,8 @@ impl GraphicalReportHandler {
                 let vbar_offset = (start + end) / 2;
                 let num_left = vbar_offset - start;
                 let num_right = end - vbar_offset - 1;
+                // Throws `Formatting argument out of range` when width is above u16::MAX.
+                let width = start.saturating_sub(highest).min(u16::MAX as usize);
                 underlines.push_str(
                     &format!(
                         "{:width$}{}{}{}",
@@ -1054,7 +1056,6 @@ impl GraphicalReportHandler {
                             chars.underline
                         },
                         chars.underline.to_string().repeat(num_right),
-                        width = start.saturating_sub(highest),
                     )
                     .style(hl.style)
                     .to_string(),