don't use a string error on ffprobe handler, pass the proper error

modules/ffprobe/src/errors.rs

@@ -7,6 +7,8 @@ pub enum AnalyzeError {
 	ParseError(serde_json::Error),
 }
 
+impl std::error::Error for AnalyzeError {}
+
 impl fmt::Display for AnalyzeError {
 	fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
 		match self {

src/utils/formats/handlers/ffprobe.rs

@@ -3,8 +3,6 @@ use std::{
 	process::Command,
 };
 
-use string_error::into_err;
-
 use crate::{
 	meta,
 	types::{AudioFileInfo, Tags},
@@ -41,7 +39,7 @@ impl GenericFFMpegAudioFormat {
 		let output = ffprobe::analyze(&self.path, Some(meta::FFPROBE));
 
 		if let Err(err) = output {
-			return Err(into_err(format!("{}", err)));
+			return Err(Box::from(err));
 		}
 
 		let output = output.unwrap();

src/utils/mod.rs

@@ -5,4 +5,4 @@ pub mod formats;
 mod music_scanner;
 
 pub use formats::is_supported_file;
-pub use music_scanner::scan_for_music;
+pub use music_scanner::scan_for_music;