4 files changed, 5 insertions, 9 deletions
diff --git a/compiler/rustc_transmute/src/layout/mod.rs b/compiler/rustc_transmute/src/layout/mod.rs
index 07035ebdf..f8d05bc89 100644
--- a/compiler/rustc_transmute/src/layout/mod.rs
+++ b/compiler/rustc_transmute/src/layout/mod.rs
@@ -24,7 +24,7 @@ impl fmt::Debug for Byte {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match &self {
             Self::Uninit => f.write_str("??u8"),
-            Self::Init(b) => write!(f, "{:#04x}u8", b),
+            Self::Init(b) => write!(f, "{b:#04x}u8"),
         }
     }
 }
diff --git a/compiler/rustc_transmute/src/layout/nfa.rs b/compiler/rustc_transmute/src/layout/nfa.rs
index c2bc47bc0..78fcceb5f 100644
--- a/compiler/rustc_transmute/src/layout/nfa.rs
+++ b/compiler/rustc_transmute/src/layout/nfa.rs
@@ -123,7 +123,7 @@ where
             let fix_state = |state| if state == other.start { self.accepting } else { state };
             let entry = transitions.entry(fix_state(source)).or_default();
             for (edge, destinations) in transition {
-                let entry = entry.entry(edge.clone()).or_default();
+                let entry = entry.entry(edge).or_default();
                 for destination in destinations {
                     entry.insert(fix_state(destination));
                 }
@@ -147,7 +147,7 @@ where
             }
             let entry = transitions.entry(source).or_default();
             for (edge, destinations) in transition {
-                let entry = entry.entry(edge.clone()).or_default();
+                let entry = entry.entry(*edge).or_default();
                 for &(mut destination) in destinations {
                     // if dest is accepting state of `other`, replace with accepting state of `self`
                     if destination == other.accepting {
diff --git a/compiler/rustc_transmute/src/lib.rs b/compiler/rustc_transmute/src/lib.rs
index 384d03106..b3b9a67b2 100644
--- a/compiler/rustc_transmute/src/lib.rs
+++ b/compiler/rustc_transmute/src/lib.rs
@@ -1,4 +1,4 @@
-#![feature(alloc_layout_extra, control_flow_enum, decl_macro, iterator_try_reduce, never_type)]
+#![feature(alloc_layout_extra, decl_macro, iterator_try_reduce, never_type)]
 #![allow(dead_code, unused_variables)]
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]
diff --git a/compiler/rustc_transmute/src/maybe_transmutable/query_context.rs b/compiler/rustc_transmute/src/maybe_transmutable/query_context.rs
index adab343ac..e4f3e7928 100644
--- a/compiler/rustc_transmute/src/maybe_transmutable/query_context.rs
+++ b/compiler/rustc_transmute/src/maybe_transmutable/query_context.rs
@@ -76,11 +76,7 @@ mod rustc {
                 }
             };
 
-            let ret = if self.visibility(def_id).is_accessible_from(parent, *self) {
-                true
-            } else {
-                false
-            };
+            let ret: bool = self.visibility(def_id).is_accessible_from(parent, *self);
 
             trace!(?ret, "ret");
             ret