From 8963e9736bb600aa457e329904e6d899d35cd27e Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Wed, 11 Dec 2024 10:30:01 +0100
Subject: [PATCH] fix: Swallow rustfmt parsing panics

---
 crates/rust-analyzer/src/handlers/request.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/crates/rust-analyzer/src/handlers/request.rs b/crates/rust-analyzer/src/handlers/request.rs
index e51b14f611..fa78be5cb6 100644
--- a/crates/rust-analyzer/src/handlers/request.rs
+++ b/crates/rust-analyzer/src/handlers/request.rs
@@ -2352,6 +2352,10 @@ fn run_rustfmt(
                 );
                 Ok(None)
             }
+            // rustfmt panicked at lexing/parsing the file
+            Some(101) if !rustfmt_not_installed && captured_stderr.starts_with("error[") => {
+                Ok(None)
+            }
             _ => {
                 // Something else happened - e.g. `rustfmt` is missing or caught a signal
                 Err(LspError::new(