Print url for bad json error (#409)

Split out from #382

crates/puffin-client/src/client.rs

@@ -171,7 +171,7 @@ impl RegistryClient {
             match self.simple_impl(&url).await {
                 Ok(text) => {
                     return serde_json::from_str(&text)
-                        .map_err(move |e| Error::from_json_err(e, String::new()));
+                        .map_err(move |e| Error::from_json_err(e, url));
                 }
                 Err(err) => {
                     if err.status() == Some(StatusCode::NOT_FOUND) {

crates/puffin-client/src/error.rs

@@ -41,11 +41,8 @@ pub enum Error {
     #[error(transparent)]
     RequestMiddlewareError(#[from] reqwest_middleware::Error),
 
-    #[error("Received some unexpected JSON: {source}")]
-    BadJson {
-        source: serde_json::Error,
-        url: String,
-    },
+    #[error("Received some unexpected JSON from {url}")]
+    BadJson { source: serde_json::Error, url: Url },
 
     #[error(transparent)]
     AsyncHttpRangeReader(#[from] AsyncHttpRangeReaderError),
@@ -71,7 +68,7 @@ pub enum Error {
 }
 
 impl Error {
-    pub fn from_json_err(err: serde_json::Error, url: String) -> Self {
+    pub fn from_json_err(err: serde_json::Error, url: Url) -> Self {
         Self::BadJson { source: err, url }
     }
 }