1 files changed, 7 insertions, 9 deletions
diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs
index 48e88daa890..8913bf76d34 100644
--- a/compiler/rustc_middle/src/ty/instance.rs
+++ b/compiler/rustc_middle/src/ty/instance.rs
@@ -308,13 +308,13 @@ fn fmt_instance(
         InstanceDef::ReifyShim(_) => write!(f, " - shim(reify)"),
         InstanceDef::ThreadLocalShim(_) => write!(f, " - shim(tls)"),
         InstanceDef::Intrinsic(_) => write!(f, " - intrinsic"),
-        InstanceDef::Virtual(_, num) => write!(f, " - virtual#{}", num),
-        InstanceDef::FnPtrShim(_, ty) => write!(f, " - shim({})", ty),
+        InstanceDef::Virtual(_, num) => write!(f, " - virtual#{num}"),
+        InstanceDef::FnPtrShim(_, ty) => write!(f, " - shim({ty})"),
         InstanceDef::ClosureOnceShim { .. } => write!(f, " - shim"),
         InstanceDef::DropGlue(_, None) => write!(f, " - shim(None)"),
-        InstanceDef::DropGlue(_, Some(ty)) => write!(f, " - shim(Some({}))", ty),
-        InstanceDef::CloneShim(_, ty) => write!(f, " - shim({})", ty),
-        InstanceDef::FnPtrAddrShim(_, ty) => write!(f, " - shim({})", ty),
+        InstanceDef::DropGlue(_, Some(ty)) => write!(f, " - shim(Some({ty}))"),
+        InstanceDef::CloneShim(_, ty) => write!(f, " - shim({ty})"),
+        InstanceDef::FnPtrAddrShim(_, ty) => write!(f, " - shim({ty})"),
     }
 }
 
@@ -336,9 +336,7 @@ impl<'tcx> Instance<'tcx> {
     pub fn new(def_id: DefId, args: GenericArgsRef<'tcx>) -> Instance<'tcx> {
         assert!(
             !args.has_escaping_bound_vars(),
-            "args of instance {:?} not normalized for codegen: {:?}",
-            def_id,
-            args
+            "args of instance {def_id:?} not normalized for codegen: {args:?}"
         );
         Instance { def: InstanceDef::Item(def_id), args }
     }
@@ -425,7 +423,7 @@ impl<'tcx> Instance<'tcx> {
     ) -> Option<Instance<'tcx>> {
         debug!("resolve(def_id={:?}, args={:?})", def_id, args);
         // Use either `resolve_closure` or `resolve_for_vtable`
-        assert!(!tcx.is_closure(def_id), "Called `resolve_for_fn_ptr` on closure: {:?}", def_id);
+        assert!(!tcx.is_closure(def_id), "Called `resolve_for_fn_ptr` on closure: {def_id:?}");
         Instance::resolve(tcx, param_env, def_id, args).ok().flatten().map(|mut resolved| {
             match resolved.def {
                 InstanceDef::Item(def) if resolved.def.requires_caller_location(tcx) => {