better error message

Author: ChristianPavilonis

crates/common/src/integrations/lockr.rs

@@ -190,12 +190,12 @@ impl LockrIntegration {
         let backend_name = ensure_backend_from_url(&self.config.api_endpoint)
             .change_context(Self::error("Failed to determine backend for API proxy"))?;
 
-        let response = target_req
-            .send(backend_name)
-            .change_context(Self::error(format!(
-                "Failed to forward request to {}",
-                target_url
-            )))?;
+        let response = match target_req .send(backend_name) {
+            Ok(res) => res,
+            Err(e) => {
+                return Err(Self::error(format!("failed to forward request to {}, {}", target_url, e.root_cause())).into());
+            }
+        }
 
         log::info!("Lockr API responded with status: {}", response.get_status());