6 files changed, 8 insertions, 9 deletions

diff --git a/crates/ra_ide_api/src/call_info.rs b/crates/ra_ide_api/src/call_info.rs
index 175af3fd9..e494f5620 100644
--- a/crates/ra_ide_api/src/call_info.rs
+++ b/crates/ra_ide_api/src/call_info.rs
@@ -95,7 +95,7 @@ impl FnCallNode {
                 Some(FnCallNode::CallExpr(expr))
             } else if let Some(expr) = ast::MethodCallExpr::cast(node.clone()) {
                 Some(FnCallNode::MethodCallExpr(expr))
-            } else if let Some(expr) = ast::MacroCall::cast(node.clone()) {
+            } else if let Some(expr) = ast::MacroCall::cast(node) {
                 Some(FnCallNode::MacroCallExpr(expr))
             } else {
                 None
diff --git a/crates/ra_ide_api/src/change.rs b/crates/ra_ide_api/src/change.rs
index 050249c0e..39c5946c7 100644
--- a/crates/ra_ide_api/src/change.rs
+++ b/crates/ra_ide_api/src/change.rs
@@ -43,7 +43,7 @@ impl fmt::Debug for AnalysisChange {
         if !self.libraries_added.is_empty() {
             d.field("libraries_added", &self.libraries_added.len());
         }
-        if !self.crate_graph.is_some() {
+        if !self.crate_graph.is_none() {
             d.field("crate_graph", &self.crate_graph);
         }
         d.finish()
diff --git a/crates/ra_ide_api/src/completion/complete_path.rs b/crates/ra_ide_api/src/completion/complete_path.rs
index 956d8ce49..a58fdc036 100644
--- a/crates/ra_ide_api/src/completion/complete_path.rs
+++ b/crates/ra_ide_api/src/completion/complete_path.rs
@@ -67,7 +67,7 @@ pub(super) fn complete_path(acc: &mut Completions, ctx: &CompletionContext) {
                 });
             }
         }
-        _ => return,
+        _ => {}
     };
 }
 
diff --git a/crates/ra_ide_api/src/completion/presentation.rs b/crates/ra_ide_api/src/completion/presentation.rs
index f7e98e6df..65bb639ed 100644
--- a/crates/ra_ide_api/src/completion/presentation.rs
+++ b/crates/ra_ide_api/src/completion/presentation.rs
@@ -136,7 +136,7 @@ impl Completions {
         for (idx, s) in docs.match_indices(&macro_name) {
             let (before, after) = (&docs[..idx], &docs[idx + s.len()..]);
             // Ensure to match the full word
-            if after.starts_with("!")
+            if after.starts_with('!')
                 && before
                     .chars()
                     .rev()
@@ -225,7 +225,7 @@ impl Completions {
                 } else {
                     (format!("{}($0)", data.name()), format!("{}(…)", name))
                 };
-            builder = builder.lookup_by(name.clone()).label(label).insert_snippet(snippet);
+            builder = builder.lookup_by(name).label(label).insert_snippet(snippet);
         }
 
         self.add(builder)
diff --git a/crates/ra_ide_api/src/references/search_scope.rs b/crates/ra_ide_api/src/references/search_scope.rs
index dbd1af597..f2789e0b2 100644
--- a/crates/ra_ide_api/src/references/search_scope.rs
+++ b/crates/ra_ide_api/src/references/search_scope.rs
@@ -111,8 +111,7 @@ impl NameDefinition {
         if vis.as_str() != "" {
             let source_root_id = db.file_source_root(file_id);
             let source_root = db.source_root(source_root_id);
-            let mut res =
-                source_root.walk().map(|id| (id.into(), None)).collect::<FxHashMap<_, _>>();
+            let mut res = source_root.walk().map(|id| (id, None)).collect::<FxHashMap<_, _>>();
 
             // FIXME: add "pub(in path)"
 
@@ -128,7 +127,7 @@ impl NameDefinition {
                         let root_file = crate_graph.crate_root(crate_id);
                         let source_root_id = db.file_source_root(root_file);
                         let source_root = db.source_root(source_root_id);
-                        res.extend(source_root.walk().map(|id| (id.into(), None)));
+                        res.extend(source_root.walk().map(|id| (id, None)));
                     }
                 }
                 return SearchScope::new(res);
diff --git a/crates/ra_ide_api/src/typing.rs b/crates/ra_ide_api/src/typing.rs
index 2dfbe6944..d51132f73 100644
--- a/crates/ra_ide_api/src/typing.rs
+++ b/crates/ra_ide_api/src/typing.rs
@@ -261,7 +261,7 @@ impl S {
 
     fn type_char(char_typed: char, before: &str, after: &str) {
         let (actual, file_change) = do_type_char(char_typed, before)
-            .expect(&format!("typing `{}` did nothing", char_typed));
+            .unwrap_or_else(|| panic!("typing `{}` did nothing", char_typed));
 
         if after.contains("<|>") {
             let (offset, after) = extract_offset(after);