apply new rustfmt.toml changes, fix some clippy lints

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/admin/check/mod.rs

@@ -11,8 +11,11 @@ pub(super) enum CheckCommand {
 	AllUsers,
 }
 
-pub(super) async fn process(command: CheckCommand, context: &Command<'_>) -> Result<RoomMessageEventContent> {
+pub(super) async fn process(
+	command: CheckCommand,
+	context: &Command<'_>,
+) -> Result<RoomMessageEventContent> {
 	Ok(match command {
-		CheckCommand::AllUsers => context.check_all_users().await?,
+		| CheckCommand::AllUsers => context.check_all_users().await?,
 	})
 }