minor cosmetic changes

src/bin/main/mod.rs

@@ -28,6 +28,7 @@ pub mod args;
 use args::*;
 
 //// CONSTANTS /////////////////////////////////////////////////////////////////////////////////////
+#[allow(dead_code)]
 const EXIT_SUCCESS: i32 = 0;
 const EXIT_FAILURE_USAGE: i32 = 1;
 

src/logger/mod.rs

@@ -107,8 +107,12 @@ impl Logger {
             warn!("trying to reinitialize the logger, ignoring");
             return Err(Error::Usage(format!("logging is already initialized")));
         } else {
-            let filter = tracing_subscriber::filter::FilterFn::new(|metadata| {
-                true
+            let filter = tracing_subscriber::filter::FilterFn::new(|_metadata| {
+                #[allow(unused_variables)]
+                #[allow(unused_mut)]
+                let mut status = true;
+
+                status
             });
 
             let basic_subscriber = tracing_subscriber::fmt::Subscriber::builder()