diff --git a/examples/actix-web/src/main.rs b/examples/actix-web/src/main.rs
index c94210c..d8f08f2 100644
--- a/examples/actix-web/src/main.rs
+++ b/examples/actix-web/src/main.rs
@@ -130,10 +130,10 @@ mod tests {
 
     #[actix_rt::test]
     async fn static_assets_work() {
-        let mut app = test::init_service(App::new().configure(services)).await;
+        let app = test::init_service(App::new().configure(services)).await;
 
         let img_resp = test::call_service(
-            &mut app,
+            &app,
             test::TestRequest::get()
                 .uri(
                     &crate::FILES
@@ -146,7 +146,7 @@ mod tests {
         assert_eq!(img_resp.status(), StatusCode::OK);
 
         let css_resp = test::call_service(
-            &mut app,
+            &app,
             test::TestRequest::get()
                 .uri(
                     &crate::FILES
@@ -159,7 +159,7 @@ mod tests {
         assert_eq!(css_resp.status(), StatusCode::OK);
 
         let favicon_resp = test::call_service(
-            &mut app,
+            &app,
             test::TestRequest::get().uri("/favicon.ico").to_request(),
         )
         .await;
diff --git a/src/processor.rs b/src/processor.rs
index aa3bd4a..7049b0a 100644
--- a/src/processor.rs
+++ b/src/processor.rs
@@ -118,6 +118,7 @@ impl<'a> Buster<'a> {
     // creates base_dir to output files to
     fn init(&self) -> Result<(), Error> {
         let res = Path::new(&self.result);
+        println!("cargo:rerun-if-changed={}", self.source);
         if res.exists() {
             fs::remove_dir_all(&self.result).unwrap();
         }
@@ -429,7 +430,7 @@ pub mod tests {
                 let source = Path::new(k);
                 let dest = Path::new(&v);
                 let no_hash = Path::new(file);
-                source == &Path::new(&config.source).join(file)
+                source == Path::new(&config.source).join(file)
                     && dest.exists()
                     && no_hash.file_name() == dest.file_name()
             }));
@@ -507,7 +508,7 @@ pub mod tests {
         config.process().unwrap();
         let files = Files::load();
 
-        assert!(files.map.iter().any(|(k, v)| {
+        assert!(files.map.iter().any(|(_k, v)| {
             let dest = Path::new(&v);
             dest.extension().unwrap().to_str().unwrap() == APPLICATION_WASM && dest.exists()
         }));
@@ -526,7 +527,7 @@ pub mod tests {
                 let source = Path::new(k);
                 let dest = Path::new(&v);
                 let no_hash = Path::new(file);
-                source == &Path::new(&config.source).join(file)
+                source == Path::new(&config.source).join(file)
                     && dest.exists()
                     && no_hash.file_name() == dest.file_name()
             }));