WIP

Author: Kobzol

compiler/rustc_errors/src/json.rs

@@ -88,11 +88,11 @@ impl JsonEmitter {
         }
     }
 
-    fn emit(&mut self, val: EmitTyped<'_>) -> io::Result<()> {
+    fn emit(&mut self, val: &EmitTyped<'_>) -> io::Result<()> {
         if self.pretty {
-            serde_json::to_writer_pretty(&mut *self.dst, &val)?
+            serde_json::to_writer_pretty(&mut *self.dst, val)?
         } else {
-            serde_json::to_writer(&mut *self.dst, &val)?
+            serde_json::to_writer(&mut *self.dst, val)?
         };
         self.dst.write_all(b"\n")?;
         self.dst.flush()
@@ -121,15 +121,15 @@ impl Translate for JsonEmitter {
 impl Emitter for JsonEmitter {
     fn emit_diagnostic(&mut self, diag: crate::DiagInner, registry: &Registry) {
         let data = Diagnostic::from_errors_diagnostic(diag, self, registry);
-        let result = self.emit(EmitTyped::Diagnostic(data));
+        let result = self.emit(&EmitTyped::Diagnostic(data));
         if let Err(e) = result {
             panic!("failed to print diagnostics: {e:?}");
         }
     }
 
     fn emit_artifact_notification(&mut self, path: &Path, artifact_type: &str) {
         let data = ArtifactNotification { artifact: path, emit: artifact_type };
-        let result = self.emit(EmitTyped::Artifact(data));
+        let result = self.emit(&EmitTyped::Artifact(data));
         if let Err(e) = result {
             panic!("failed to print notification: {e:?}");
         }
@@ -155,7 +155,7 @@ impl Emitter for JsonEmitter {
             })
             .collect();
         let report = FutureIncompatReport { future_incompat_report: data };
-        let result = self.emit(EmitTyped::FutureIncompat(report));
+        let result = self.emit(&EmitTyped::FutureIncompat(report));
         if let Err(e) = result {
             panic!("failed to print future breakage report: {e:?}");
         }
@@ -164,7 +164,7 @@ impl Emitter for JsonEmitter {
     fn emit_unused_externs(&mut self, lint_level: rustc_lint_defs::Level, unused_externs: &[&str]) {
         let lint_level = lint_level.as_str();
         let data = UnusedExterns { lint_level, unused_extern_names: unused_externs };
-        let result = self.emit(EmitTyped::UnusedExtern(data));
+        let result = self.emit(&EmitTyped::UnusedExtern(data));
         if let Err(e) = result {
             panic!("failed to print unused externs: {e:?}");
         }