1 files changed, 6 insertions, 2 deletions

diff --git a/crates/ra_batch/src/lib.rs b/crates/ra_batch/src/lib.rs
index a5fc2a23e..602beb439 100644
--- a/crates/ra_batch/src/lib.rs
+++ b/crates/ra_batch/src/lib.rs
@@ -43,8 +43,12 @@ pub fn load_cargo(root: &Path) -> Result<(AnalysisHost, FxHashMap<SourceRootId,
     );
 
     // FIXME: cfg options?
-    let default_cfg_options =
-        get_rustc_cfg_options().atom("test".into()).atom("debug_assertion".into());
+    let default_cfg_options = {
+        let mut opts = get_rustc_cfg_options();
+        opts.insert_atom("test".into());
+        opts.insert_atom("debug_assertion".into());
+        opts
+    };
 
     let (crate_graph, _crate_names) =
         ws.to_crate_graph(&default_cfg_options, &mut |path: &Path| {