add missing potential_query_instability for keys and values in hashmap

compiler/rustc_codegen_ssa/src/assert_module_sources.rs

@@ -267,6 +267,7 @@ impl CguReuseTracker {
 
     fn check_expected_reuse(&self, sess: &Session) {
         if let Some(ref data) = self.data {
+            #[allow(rustc::potential_query_instability)]
             let mut keys = data.expected_reuse.keys().collect::<Vec<_>>();
             keys.sort_unstable();
             for cgu_name in keys {

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -682,6 +682,7 @@ fn link_dwarf_object<'a>(
         }
 
         // Input rlibs contain .o/.dwo files from dependencies.
+        #[allow(rustc::potential_query_instability)]
         let input_rlibs = cg_results
             .crate_info
             .used_crate_source