add logging to remove_cargo_config

Author: Freax13

src/prepare.rs

@@ -73,7 +73,8 @@ impl<'a> Prepare<'a> {
     fn remove_cargo_config(&self) -> Result<(), Error> {
         let path = self.source_dir.join(".cargo").join("config");
         if path.exists() {
-            remove_file(path)?;
+            remove_file(path.clone())?;
+            info!("removed {}", path.as_path().display());
         }
         Ok(())
     }