migrate mbe to the new rowan

1 files changed, 4 insertions, 2 deletions

diff --git a/crates/ra_mbe/src/mbe_expander.rs b/crates/ra_mbe/src/mbe_expander.rs
index c7c06c7fd..f185aecb7 100644
--- a/crates/ra_mbe/src/mbe_expander.rs
+++ b/crates/ra_mbe/src/mbe_expander.rs
@@ -599,7 +599,8 @@ mod tests {
         let macro_definition =
             source_file.syntax().descendants().find_map(ast::MacroCall::cast).unwrap();
 
-        let (definition_tt, _) = ast_to_token_tree(macro_definition.token_tree().unwrap()).unwrap();
+        let (definition_tt, _) =
+            ast_to_token_tree(&macro_definition.token_tree().unwrap()).unwrap();
         crate::MacroRules::parse(&definition_tt).unwrap()
     }
 
@@ -611,7 +612,8 @@ mod tests {
         let macro_invocation =
             source_file.syntax().descendants().find_map(ast::MacroCall::cast).unwrap();
 
-        let (invocation_tt, _) = ast_to_token_tree(macro_invocation.token_tree().unwrap()).unwrap();
+        let (invocation_tt, _) =
+            ast_to_token_tree(&macro_invocation.token_tree().unwrap()).unwrap();
 
         expand_rule(&rules.rules[0], &invocation_tt)
     }