use error message instead of empty string for Error

src/lib.rs

@@ -47,7 +47,7 @@ impl Display for Rear {
 
 impl From<Box<dyn Error>> for Rear {
 	fn from(error: Box<dyn Error>) -> Self {
-		Self { error, message: String::new() }
+		Self { message: error.to_string(), error }
 	}
 }