Update build script

build.sh

@@ -3,6 +3,7 @@ rustup update
 
 git pull
 
+cargo update
 cargo build --release
 
 mkdir -p server

src/main.rs

@@ -41,8 +41,6 @@ async fn main() -> Result<()> {
                     .lock()
                     .unwrap()
                     .write(plug.name(), since_epoch()?, usage)?;
-
-                println!("{} uses {usage} W", plug.name());
             }
 
             Ok::<(), anyhow::Error>(())