fix: strip ANSI escape codes from flycheck messages

Author: ShoyuVanilla

Cargo.lock

@@ -144,6 +144,7 @@ semver = "1.0.26"
 serde = { version = "1.0.219" }
 serde_derive = { version = "1.0.219" }
 serde_json = "1.0.140"
+strip-ansi-escapes = "0.2.1"
 rustc-hash = "2.1.1"
 rustc-literal-escaper = "0.0.4"
 smallvec = { version = "1.15.1", features = [

Cargo.toml

@@ -53,6 +53,7 @@ semver.workspace = true
 memchr = "2.7.5"
 cargo_metadata.workspace = true
 process-wrap.workspace = true
+strip-ansi-escapes.workspace = true
 
 cfg.workspace = true
 hir-def.workspace = true

crates/rust-analyzer/Cargo.toml

@@ -739,15 +739,18 @@ impl CargoParser<CargoCheckMessage> for CargoCheckParser {
                         Some(CargoCheckMessage::CompilerArtifact(artifact))
                     }
                     cargo_metadata::Message::CompilerMessage(msg) => {
+                        let mut diagnostic = msg.message;
+                        diagnostic.message = strip_ansi_escapes::strip_str(diagnostic.message);
                         Some(CargoCheckMessage::Diagnostic {
-                            diagnostic: msg.message,
+                            diagnostic,
                             package_id: Some(Arc::new(msg.package_id)),
                         })
                     }
                     _ => None,
                 },
-                JsonMessage::Rustc(message) => {
-                    Some(CargoCheckMessage::Diagnostic { diagnostic: message, package_id: None })
+                JsonMessage::Rustc(mut diagnostic) => {
+                    diagnostic.message = strip_ansi_escapes::strip_str(diagnostic.message);
+                    Some(CargoCheckMessage::Diagnostic { diagnostic, package_id: None })
                 }
             };
         }