[21.0.x] Remove unused import (#9405)

* Remove unused import

Fix CI after recent merge

* Fix test annotations from recent merge

Fixing CI for an upcoming security release

* Ignore new tests on miri

Author: alexcrichton

crates/wasmtime/src/runtime/type_registry.rs

@@ -20,10 +20,9 @@ use core::{
 };
 use hashbrown::{HashMap, HashSet};
 use wasmtime_environ::{
-    iter_entity_range,
-    packed_option::{PackedOption, ReservedValue},
-    EngineOrModuleTypeIndex, ModuleInternedTypeIndex, ModuleTypes, PrimaryMap, SecondaryMap,
-    TypeTrace, VMSharedTypeIndex, WasmRecGroup, WasmSubType,
+    iter_entity_range, packed_option::ReservedValue, EngineOrModuleTypeIndex,
+    ModuleInternedTypeIndex, ModuleTypes, PrimaryMap, SecondaryMap, TypeTrace, VMSharedTypeIndex,
+    WasmRecGroup, WasmSubType,
 };
 use wasmtime_slab::{Id as SlabId, Slab};
 

tests/all/module.rs

@@ -304,6 +304,7 @@ fn call_indirect_caching_out_of_bounds_table_index() -> Result<()> {
 /// Smoke test for registering and unregistering modules (and their rec group
 /// entries) concurrently.
 #[test]
+#[cfg_attr(miri, ignore)]
 fn concurrent_type_registry_modifications() -> Result<()> {
     let _ = env_logger::try_init();
 
@@ -449,12 +450,16 @@ fn concurrent_type_registry_modifications() -> Result<()> {
     Ok(())
 }
 
-#[wasmtime_test(wasm_features(function_references))]
-fn concurrent_type_modifications_and_checks(config: &mut Config) -> Result<()> {
+#[test]
+#[cfg_attr(miri, ignore)]
+fn concurrent_type_modifications_and_checks() -> Result<()> {
     const THREADS_CHECKING: usize = 4;
 
     let _ = env_logger::try_init();
 
+    let mut config = Config::new();
+    config.wasm_function_references(true);
+
     let engine = Engine::new(&config)?;
 
     let mut threads = Vec::new();