Index: src/command.rs
==================================================================
--- src/command.rs	
+++ src/command.rs	
@@ -41,11 +41,11 @@
 	let mut conn = core.db.begin().await.stack()?;
 	let sender = msg.sender.get_user_id()
 		.stack_err("Ignoring unreal users.")?;
 	let reply = if words.len() == 1 {
 		match words[0].parse::<i32>() {
-			Err(err) => format!("I need a number.\n{}", &err).into(),
+			Err(err) => format!("I need a number.\n{}", err).into(),
 			Ok(number) => match command {
 				"/check" => core.check(number, false, None).await
 					.context("Channel check failed.")?.into(),
 				"/clean" => conn.clean(number, sender).await.stack()?,
 				"/enable" => conn.enable(number, sender).await.stack()?.into(),

Index: src/core.rs
==================================================================
--- src/core.rs	
+++ src/core.rs	
@@ -238,11 +238,11 @@
 		{
 			let headers = response.headers();
 			let expires = headers.get(EXPIRES);
 			let cache = headers.get(CACHE_CONTROL);
 			if expires.is_some() || cache.is_some() {
-				println!("{} {} {:?} {:?} {:?}", Local::now().to_rfc2822(), &source.url, last_scrape, expires, cache);
+				println!("{} {} {:?} {:?} {:?}", Local::now().to_rfc2822(), source.url, last_scrape, expires, cache);
 			}
 		}
 		let status = response.status();
 		let content = response.bytes().await.stack()?;
 		match rss::Channel::read_from(&content[..]) {