src/core/interface/musicbrainz/mod.rs

@@ -22,7 +22,7 @@ pub struct MbidError(String);
 
 impl fmt::Display for MbidError {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        write!(f, "{}", self.0)
+        write!(f, "failed to parse a MBID: {}", self.0)
     }
 }
 

src/external/musicbrainz/api/lookup.rs

@@ -20,15 +20,16 @@ impl<Http: IMusicBrainzHttp> MusicBrainzClient<Http> {
     ) -> Result<LookupArtistResponse, Error> {
         let mut include: Vec<String> = vec![];
 
-        let mbid: String = request.mbid.uuid().as_hyphenated().to_string();
-
         if request.release_groups {
             include.push(String::from("release-groups"));
         }
 
         let include: String =
             form_urlencoded::byte_serialize(include.join("+").as_bytes()).collect();
-        let url = format!("{MB_BASE_URL}/artist/{mbid}?inc={include}");
+        let url = format!(
+            "{MB_BASE_URL}/artist/{mbid}?inc={include}",
+            mbid = request.mbid.uuid().as_hyphenated()
+        );
 
         let response: DeserializeLookupArtistResponse = self.http.get(&url)?;
         Ok(response.into())