Address latest nightly clippy lints, but globally disable stable_sort_primitive

runtime/src/snapshot_utils.rs

@@ -92,7 +92,7 @@ impl SnapshotVersion {
     }
 }
 
-#[derive(PartialEq, Ord, Eq, Debug)]
+#[derive(PartialEq, Eq, Debug)]
 pub struct SlotSnapshotPaths {
     pub slot: Slot,
     pub snapshot_file_path: PathBuf,
@@ -126,6 +126,12 @@ impl PartialOrd for SlotSnapshotPaths {
     }
 }
 
+impl Ord for SlotSnapshotPaths {
+    fn cmp(&self, other: &Self) -> Ordering {
+        self.slot.cmp(&other.slot)
+    }
+}
+
 impl SlotSnapshotPaths {
     fn copy_snapshot_directory<P: AsRef<Path>>(&self, snapshot_hardlink_dir: P) -> Result<()> {
         // Create a new directory in snapshot_hardlink_dir