fix: support Rust 1.52 (#298)

git-odb/src/store_impls/dynamic/load_index.rs

@@ -257,7 +257,7 @@ impl super::Store {
             .unwrap_or(0);
         let mut num_indices_checked = 0;
         let mut needs_generation_change = false;
-        let mut slot_indices_to_remove: Vec<_> = idx_by_index_path.into_values().collect();
+        let mut slot_indices_to_remove: Vec<_> = idx_by_index_path.into_iter().map(|(_, v)| v).collect();
         while let Some((mut index_info, mtime, move_from_slot_idx)) = index_paths_to_add.pop_front() {
             'increment_slot_index: loop {
                 if num_indices_checked == self.files.len() {

git-odb/src/store_impls/dynamic/types.rs

@@ -211,16 +211,16 @@ impl<T: Clone> OnDiskFile<T> {
         match std::mem::replace(&mut self.state, OnDiskFileState::Missing) {
             OnDiskFileState::Garbage(v) => self.state = OnDiskFileState::Loaded(v),
             OnDiskFileState::Missing => self.state = OnDiskFileState::Unloaded,
-            other @ (OnDiskFileState::Loaded(_) | OnDiskFileState::Unloaded) => self.state = other,
+            other @ OnDiskFileState::Loaded(_) | other @ OnDiskFileState::Unloaded => self.state = other,
         }
     }
 
     pub fn trash(&mut self) {
         match std::mem::replace(&mut self.state, OnDiskFileState::Missing) {
             OnDiskFileState::Loaded(v) => self.state = OnDiskFileState::Garbage(v),
-            other @ (OnDiskFileState::Garbage(_) | OnDiskFileState::Unloaded | OnDiskFileState::Missing) => {
-                self.state = other
-            }
+            other @ OnDiskFileState::Garbage(_)
+            | other @ OnDiskFileState::Unloaded
+            | other @ OnDiskFileState::Missing => self.state = other,
         }
     }
 }