Fix clippy::result-large-err.

Signed-off-by: Jason Volk <jason@zemos.net>

src/admin/processor.rs

@@ -54,7 +54,7 @@ async fn handle_command(services: Arc<Services>, command: CommandInput) -> Proce
 
 async fn process_command(services: Arc<Services>, input: &CommandInput) -> ProcessorResult {
 	let (command, args, body) = match parse(&services, input) {
-		| Err(error) => return Err(error),
+		| Err(error) => return Err(Box::new(error)),
 		| Ok(parsed) => parsed,
 	};
 
@@ -90,12 +90,14 @@ async fn process_command(services: Arc<Services>, input: &CommandInput) -> Proce
 			write!(&mut logs, "Command failed with error:\n```\n{error:#?}\n```")
 				.expect("output buffer");
 
-			Err(reply(RoomMessageEventContent::notice_markdown(logs), context.reply_id))
+			Err(Box::new(reply(
+				RoomMessageEventContent::notice_markdown(logs),
+				context.reply_id,
+			)))
 		},
 	}
 }
 
-#[allow(clippy::result_large_err)]
 fn handle_panic(error: &Error, command: &CommandInput) -> ProcessorResult {
 	let link =
 		"Please submit a [bug report](https://github.com/matrix-construct/tuwunel/issues/new). \
@@ -103,7 +105,7 @@ fn handle_panic(error: &Error, command: &CommandInput) -> ProcessorResult {
 	let msg = format!("Panic occurred while processing command:\n```\n{error:#?}\n```\n{link}");
 	let content = RoomMessageEventContent::notice_markdown(msg);
 	error!("Panic while processing command: {error:?}");
-	Err(reply(content, command.reply_id.as_deref()))
+	Err(Box::new(reply(content, command.reply_id.as_deref())))
 }
 
 /// Parse and process a message from the admin room

src/service/admin/mod.rs

@@ -54,7 +54,7 @@ pub type ProcessorFuture = Pin<Box<dyn Future<Output = ProcessorResult> + Send>>
 /// events which have digested any prior errors. The wrapping preserves whether
 /// the command failed without interpreting the text. Ok(None) outputs are
 /// dropped to produce no response.
-pub type ProcessorResult = Result<Option<CommandOutput>, CommandOutput>;
+pub type ProcessorResult = Result<Option<CommandOutput>, Box<CommandOutput>>;
 
 /// Alias for the output structure.
 pub type CommandOutput = RoomMessageEventContent;
@@ -199,14 +199,18 @@ impl Service {
 
 	async fn handle_command(&self, command: CommandInput) {
 		match self.process_command(command).await {
+			| Err(output) => self.handle_command_output(*output).await,
+			| Ok(Some(output)) => self.handle_command_output(output).await,
 			| Ok(None) => debug!("Command successful with no response"),
-			| Ok(Some(output)) | Err(output) => self
-				.handle_response(output)
-				.await
-				.unwrap_or_else(default_log),
 		}
 	}
 
+	async fn handle_command_output(&self, content: RoomMessageEventContent) {
+		self.handle_response(content)
+			.await
+			.unwrap_or_else(default_log);
+	}
+
 	async fn process_command(&self, command: CommandInput) -> ProcessorResult {
 		let handle = &self
 			.handle