2 files changed, 10 insertions, 17 deletions
diff --git a/compiler/rustc_abi/src/layout.rs b/compiler/rustc_abi/src/layout.rs
index 489a8403c3b..a8a1a90572d 100644
--- a/compiler/rustc_abi/src/layout.rs
+++ b/compiler/rustc_abi/src/layout.rs
@@ -260,8 +260,7 @@ pub trait LayoutCalculator {
                 }
                 _ => assert!(
                     start == Bound::Unbounded && end == Bound::Unbounded,
-                    "nonscalar layout for layout_scalar_valid_range type: {:#?}",
-                    st,
+                    "nonscalar layout for layout_scalar_valid_range type: {st:#?}",
                 ),
             }
 
@@ -463,7 +462,7 @@ pub trait LayoutCalculator {
             min = 0;
             max = 0;
         }
-        assert!(min <= max, "discriminant range is {}...{}", min, max);
+        assert!(min <= max, "discriminant range is {min}...{max}");
         let (min_ity, signed) = discr_range_of_repr(min, max); //Integer::repr_discr(tcx, ty, &repr, min, max);
 
         let mut align = dl.aggregate_align;
@@ -537,8 +536,7 @@ pub trait LayoutCalculator {
             // space necessary to represent would have to be discarded (or layout is wrong
             // on thinking it needs 16 bits)
             panic!(
-                "layout decided on a larger discriminant type ({:?}) than typeck ({:?})",
-                min_ity, typeck_ity
+                "layout decided on a larger discriminant type ({min_ity:?}) than typeck ({typeck_ity:?})"
             );
             // However, it is fine to make discr type however large (as an optimisation)
             // after this point – we’ll just truncate the value we load in codegen.
diff --git a/compiler/rustc_abi/src/lib.rs b/compiler/rustc_abi/src/lib.rs
index 835143407d2..1442747fe1e 100644
--- a/compiler/rustc_abi/src/lib.rs
+++ b/compiler/rustc_abi/src/lib.rs
@@ -332,7 +332,7 @@ impl TargetDataLayout {
             16 => 1 << 15,
             32 => 1 << 31,
             64 => 1 << 47,
-            bits => panic!("obj_size_bound: unknown pointer bit size {}", bits),
+            bits => panic!("obj_size_bound: unknown pointer bit size {bits}"),
         }
     }
 
@@ -342,7 +342,7 @@ impl TargetDataLayout {
             16 => I16,
             32 => I32,
             64 => I64,
-            bits => panic!("ptr_sized_integer: unknown pointer bit size {}", bits),
+            bits => panic!("ptr_sized_integer: unknown pointer bit size {bits}"),
         }
     }
 
@@ -399,7 +399,7 @@ impl FromStr for Endian {
         match s {
             "little" => Ok(Self::Little),
             "big" => Ok(Self::Big),
-            _ => Err(format!(r#"unknown endian: "{}""#, s)),
+            _ => Err(format!(r#"unknown endian: "{s}""#)),
         }
     }
 }
@@ -456,7 +456,7 @@ impl Size {
     pub fn bits(self) -> u64 {
         #[cold]
         fn overflow(bytes: u64) -> ! {
-            panic!("Size::bits: {} bytes in bits doesn't fit in u64", bytes)
+            panic!("Size::bits: {bytes} bytes in bits doesn't fit in u64")
         }
 
         self.bytes().checked_mul(8).unwrap_or_else(|| overflow(self.bytes()))
@@ -1179,17 +1179,12 @@ impl FieldsShape {
                 unreachable!("FieldsShape::offset: `Primitive`s have no fields")
             }
             FieldsShape::Union(count) => {
-                assert!(
-                    i < count.get(),
-                    "tried to access field {} of union with {} fields",
-                    i,
-                    count
-                );
+                assert!(i < count.get(), "tried to access field {i} of union with {count} fields");
                 Size::ZERO
             }
             FieldsShape::Array { stride, count } => {
                 let i = u64::try_from(i).unwrap();
-                assert!(i < count, "tried to access field {} of array with {} fields", i, count);
+                assert!(i < count, "tried to access field {i} of array with {count} fields");
                 stride * i
             }
             FieldsShape::Arbitrary { ref offsets, .. } => offsets[FieldIdx::from_usize(i)],
@@ -1294,7 +1289,7 @@ impl Abi {
                 Primitive::Int(_, signed) => signed,
                 _ => false,
             },
-            _ => panic!("`is_signed` on non-scalar ABI {:?}", self),
+            _ => panic!("`is_signed` on non-scalar ABI {self:?}"),
         }
     }