2 files changed, 17 insertions, 12 deletions

diff --git a/crates/ra_ide/src/hover.rs b/crates/ra_ide/src/hover.rs
index 3bdd61a2e..d1deca96b 100644
--- a/crates/ra_ide/src/hover.rs
+++ b/crates/ra_ide/src/hover.rs
@@ -94,17 +94,22 @@ fn definition_owner_name(db: &RootDatabase, def: &Definition) -> Option<String>
 
 fn determine_mod_path(db: &RootDatabase, def: &Definition) -> Option<String> {
     let mod_path = def.module(db).map(|module| {
-        once(db.crate_graph()[module.krate().into()].display_name.clone())
-            .chain(
-                module
-                    .path_to_root(db)
-                    .into_iter()
-                    .rev()
-                    .map(|it| it.name(db).map(|name| name.to_string())),
-            )
-            .chain(once(definition_owner_name(db, def)))
-            .flatten()
-            .join("::")
+        once(
+            db.crate_graph()[module.krate().into()]
+                .display_name
+                .as_ref()
+                .map(|name| name.get_name()),
+        )
+        .chain(
+            module
+                .path_to_root(db)
+                .into_iter()
+                .rev()
+                .map(|it| it.name(db).map(|name| name.to_string())),
+        )
+        .chain(once(definition_owner_name(db, def)))
+        .flatten()
+        .join("::")
     });
     mod_path // FIXME: replace dashes with underscores in crate display name
 }
diff --git a/crates/ra_ide/src/mock_analysis.rs b/crates/ra_ide/src/mock_analysis.rs
index 25816cf6f..2cf77a31f 100644
--- a/crates/ra_ide/src/mock_analysis.rs
+++ b/crates/ra_ide/src/mock_analysis.rs
@@ -109,7 +109,7 @@ impl MockAnalysis {
                 let other_crate = crate_graph.add_crate_root(
                     file_id,
                     Edition2018,
-                    Some(crate_name.to_owned()),
+                    Some(CrateName::new(crate_name).unwrap()),
                     cfg_options,
                     Env::default(),
                     Default::default(),