don't include all targets?

Author: syphar

src/docbuilder/rustwide_builder.rs

@@ -1298,7 +1298,8 @@ mod tests {
             let metrics_dir = tempfile::tempdir()?.into_path();
 
             env.override_config(|cfg| {
-                cfg.compiler_metrics_collection_path = Some(metrics_dir.clone())
+                cfg.compiler_metrics_collection_path = Some(metrics_dir.clone());
+                cfg.include_default_targets = false;
             });
 
             let crate_ = DUMMY_CRATE_NAME;