refactor: update SymbolStr dereferencing

AFAICT these changes are required based on the changes `LocalInternedString` and `SymbolStr` in
rust-lang/rust#65776

Author: calebcartwright

rustfmt-core/rustfmt-lib/src/modules.rs

@@ -154,7 +154,7 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> {
         } else {
             // An internal module (`mod foo { /* ... */ }`);
             if let Some(path) = find_path_value(&item.attrs) {
-                let path = Path::new(&path.as_str()).to_path_buf();
+                let path = Path::new(&*path.as_str()).to_path_buf();
                 Ok(Some(SubModKind::InternalWithPath(path)))
             } else {
                 Ok(Some(SubModKind::Internal(item)))
@@ -288,7 +288,7 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> {
 
     fn push_inline_mod_directory(&mut self, id: ast::Ident, attrs: &[ast::Attribute]) {
         if let Some(path) = find_path_value(attrs) {
-            self.directory.path.push(&path.as_str());
+            self.directory.path.push(&*path.as_str());
             self.directory.ownership = DirectoryOwnership::Owned { relative: None };
         } else {
             // We have to push on the current module name in the case of relative
@@ -300,10 +300,10 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> {
             if let DirectoryOwnership::Owned { relative } = &mut self.directory.ownership {
                 if let Some(ident) = relative.take() {
                     // remove the relative offset
-                    self.directory.path.push(ident.as_str());
+                    self.directory.path.push(&*ident.as_str());
                 }
             }
-            self.directory.path.push(&id.as_str());
+            self.directory.path.push(&*id.as_str());
         }
     }
 

rustfmt-core/rustfmt-lib/src/utils.rs

@@ -242,7 +242,7 @@ fn is_skip(meta_item: &MetaItem) -> bool {
     match meta_item.kind {
         MetaItemKind::Word => {
             let path_str = pprust::path_to_string(&meta_item.path);
-            path_str == skip_annotation().as_str() || path_str == depr_skip_annotation().as_str()
+            path_str == &*skip_annotation().as_str() || path_str == &*depr_skip_annotation().as_str()
         }
         MetaItemKind::List(ref l) => {
             meta_item.check_name(sym::cfg_attr) && l.len() == 2 && is_skip_nested(&l[1])