[fixup] bless all the tests

tests/ui/async-await/return-type-notation/rtn-implied-in-supertrait.stderr

@@ -7,5 +7,19 @@ LL | #![feature(return_type_notation)]
    = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information
    = note: `#[warn(incomplete_features)]` on by default
 
-warning: 1 warning emitted
+warning: field `0` is never read
+  --> $DIR/rtn-implied-in-supertrait.rs:9:22
+   |
+LL | struct JoinHandle<T>(fn() -> T);
+   |        ----------    ^^^^^^^^^
+   |        |
+   |        field in this struct
+   |
+   = note: `#[warn(unused_tuple_struct_fields)]` on by default
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct JoinHandle<T>(());
+   |                      ~~
+
+warning: 2 warnings emitted
 

tests/ui/auto-traits/suspicious-impls-lint.stderr

@@ -78,5 +78,71 @@ note: try using the same sequence of generic parameters as the struct definition
 LL | pub struct WithLifetime<'a, T>(&'a (), T);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: aborting due to 5 previous errors
+warning: field `0` is never read
+  --> $DIR/suspicious-impls-lint.rs:13:33
+   |
+LL | struct ContainsNonSendDirect<T>(*const T);
+   |        ---------------------    ^^^^^^^^
+   |        |
+   |        field in this struct
+   |
+   = note: `#[warn(unused_tuple_struct_fields)]` on by default
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct ContainsNonSendDirect<T>(());
+   |                                 ~~
+
+warning: field `0` is never read
+  --> $DIR/suspicious-impls-lint.rs:16:23
+   |
+LL | struct ContainsPtr<T>(*const T);
+   |        -----------    ^^^^^^^^
+   |        |
+   |        field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct ContainsPtr<T>(());
+   |                       ~~
+
+warning: field `0` is never read
+  --> $DIR/suspicious-impls-lint.rs:17:35
+   |
+LL | struct ContainsIndirectNonSend<T>(ContainsPtr<T>);
+   |        -----------------------    ^^^^^^^^^^^^^^
+   |        |
+   |        field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct ContainsIndirectNonSend<T>(());
+   |                                   ~~
+
+warning: field `0` is never read
+  --> $DIR/suspicious-impls-lint.rs:20:23
+   |
+LL | struct ContainsVec<T>(Vec<T>);
+   |        -----------    ^^^^^^
+   |        |
+   |        field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct ContainsVec<T>(());
+   |                       ~~
+
+warning: field `0` is never read
+  --> $DIR/suspicious-impls-lint.rs:44:32
+   |
+LL | pub struct WithLifetime<'a, T>(&'a (), T);
+   |            ------------        ^^^^^^
+   |            |
+   |            field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | pub struct WithLifetime<'a, T>((), T);
+   |                                ~~
+
+error: aborting due to 5 previous errors; 5 warnings emitted
 

tests/ui/auto-traits/suspicious-negative-impls-lint.stderr

@@ -48,5 +48,32 @@ note: try using the same sequence of generic parameters as the struct definition
 LL | pub struct WithLifetime<'a, T>(&'a (), T);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: aborting due to 3 previous errors
+warning: field `0` is never read
+  --> $DIR/suspicious-negative-impls-lint.rs:6:23
+   |
+LL | struct ContainsVec<T>(Vec<T>);
+   |        -----------    ^^^^^^
+   |        |
+   |        field in this struct
+   |
+   = note: `#[warn(unused_tuple_struct_fields)]` on by default
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct ContainsVec<T>(());
+   |                       ~~
+
+warning: field `0` is never read
+  --> $DIR/suspicious-negative-impls-lint.rs:16:32
+   |
+LL | pub struct WithLifetime<'a, T>(&'a (), T);
+   |            ------------        ^^^^^^
+   |            |
+   |            field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | pub struct WithLifetime<'a, T>((), T);
+   |                                ~~
+
+error: aborting due to 3 previous errors; 2 warnings emitted
 

tests/ui/closures/2229_closure_analysis/migrations/auto_traits.fixed

@@ -51,10 +51,10 @@ fn test_sync_trait() {
 }
 
 /* Test Clone Trait Migration */
-struct S(Foo);
+struct S(());
 struct T(i32);
 
-struct U(S, T);
+struct U((), T);
 
 impl Clone for U {
     fn clone(&self) -> Self {

tests/ui/closures/2229_closure_analysis/migrations/auto_traits.stderr

@@ -63,5 +63,32 @@ LL ~     let c = || {
 LL +         let _ = &f;
    |
 
-error: aborting due to 3 previous errors
+warning: field `0` is never read
+  --> $DIR/auto_traits.rs:54:10
+   |
+LL | struct S(Foo);
+   |        - ^^^
+   |        |
+   |        field in this struct
+   |
+   = note: `#[warn(unused_tuple_struct_fields)]` on by default
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct S(());
+   |          ~~
+
+warning: field `0` is never read
+  --> $DIR/auto_traits.rs:57:10
+   |
+LL | struct U(S, T);
+   |        - ^
+   |        |
+   |        field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct U((), T);
+   |          ~~
+
+error: aborting due to 3 previous errors; 2 warnings emitted
 

tests/ui/const-generics/issues/issue-85031-2.stderr

@@ -9,5 +9,19 @@ LL |         Self::foo()
    = help: a `loop` may express intention better if this is on purpose
    = note: `#[warn(unconditional_recursion)]` on by default
 
-warning: 1 warning emitted
+warning: field `0` is never read
+  --> $DIR/issue-85031-2.rs:9:20
+   |
+LL | pub struct Ref<'a>(&'a i32);
+   |            ---     ^^^^^^^
+   |            |
+   |            field in this struct
+   |
+   = note: `#[warn(unused_tuple_struct_fields)]` on by default
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | pub struct Ref<'a>(());
+   |                    ~~
+
+warning: 2 warnings emitted
 

tests/ui/consts/const-eval/issue-50814.stderr

@@ -1,3 +1,17 @@
+warning: field `0` is never read
+  --> $DIR/issue-50814.rs:7:11
+   |
+LL | struct U8(u8);
+   |        -- ^^
+   |        |
+   |        field in this struct
+   |
+   = note: `#[warn(unused_tuple_struct_fields)]` on by default
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct U8(());
+   |           ~~
+
 error[E0080]: evaluation of `<Sum<U8, U8> as Unsigned>::MAX` failed
   --> $DIR/issue-50814.rs:15:21
    |
@@ -16,6 +30,6 @@ note: the above error was encountered while instantiating `fn foo::<i32>`
 LL |     foo(0);
    |     ^^^^^^
 
-error: aborting due to 1 previous error
+error: aborting due to 1 previous error; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0080`.

tests/ui/consts/const-eval/raw-bytes.64bit.stderr

@@ -1,3 +1,56 @@
+warning: field `0` is never read
+  --> $DIR/raw-bytes.rs:64:25
+   |
+LL | struct RestrictedRange1(u32);
+   |        ---------------- ^^^
+   |        |
+   |        field in this struct
+   |
+   = note: `#[warn(unused_tuple_struct_fields)]` on by default
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct RestrictedRange1(());
+   |                         ~~
+
+warning: field `0` is never read
+  --> $DIR/raw-bytes.rs:70:25
+   |
+LL | struct RestrictedRange2(u32);
+   |        ---------------- ^^^
+   |        |
+   |        field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct RestrictedRange2(());
+   |                         ~~
+
+warning: field `0` is never read
+  --> $DIR/raw-bytes.rs:131:14
+   |
+LL | struct MyStr(str);
+   |        ----- ^^^
+   |        |
+   |        field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct MyStr(());
+   |              ~~
+
+warning: field `0` is never read
+  --> $DIR/raw-bytes.rs:134:27
+   |
+LL | struct MySlice<T: ?Sized>(bool, T);
+   |        -------            ^^^^
+   |        |
+   |        field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct MySlice<T: ?Sized>((), T);
+   |                           ~~
+
 error[E0080]: it is undefined behavior to use this value
   --> $DIR/raw-bytes.rs:20:1
    |
@@ -594,6 +647,6 @@ LL | pub static R6: &[bool] = unsafe {
                ╾ALLOC_ID╼ 04 00 00 00 00 00 00 00 │ ╾──────╼........
            }
 
-error: aborting due to 52 previous errors
+error: aborting due to 52 previous errors; 4 warnings emitted
 
 For more information about this error, try `rustc --explain E0080`.

tests/ui/consts/const-eval/ub-incorrect-vtable.64bit.stderr

@@ -1,3 +1,18 @@
+warning: fields `0` and `1` are never read
+  --> $DIR/ub-incorrect-vtable.rs:52:17
+   |
+LL | struct Wide<'a>(&'a Foo, &'static VTable);
+   |        ----     ^^^^^^^  ^^^^^^^^^^^^^^^
+   |        |
+   |        fields in this struct
+   |
+   = note: `Wide` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
+   = note: `#[warn(unused_tuple_struct_fields)]` on by default
+help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
+   |
+LL | struct Wide<'a>((), ());
+   |                 ~~  ~~
+
 error[E0080]: it is undefined behavior to use this value
   --> $DIR/ub-incorrect-vtable.rs:18:1
    |
@@ -64,6 +79,6 @@ LL | const G: Wide = unsafe { Transmute { t: FOO }.u };
                ╾ALLOC10╼ ╾ALLOC11╼ │ ╾──────╼╾──────╼
            }
 
-error: aborting due to 6 previous errors
+error: aborting due to 6 previous errors; 1 warning emitted
 
 For more information about this error, try `rustc --explain E0080`.

tests/ui/consts/const-eval/ub-nonnull.stderr

@@ -1,3 +1,30 @@
+warning: field `0` is never read
+  --> $DIR/ub-nonnull.rs:42:25
+   |
+LL | struct RestrictedRange1(u32);
+   |        ---------------- ^^^
+   |        |
+   |        field in this struct
+   |
+   = note: `#[warn(unused_tuple_struct_fields)]` on by default
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct RestrictedRange1(());
+   |                         ~~
+
+warning: field `0` is never read
+  --> $DIR/ub-nonnull.rs:48:25
+   |
+LL | struct RestrictedRange2(u32);
+   |        ---------------- ^^^
+   |        |
+   |        field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct RestrictedRange2(());
+   |                         ~~
+
 error[E0080]: it is undefined behavior to use this value
   --> $DIR/ub-nonnull.rs:14:1
    |
@@ -76,6 +103,6 @@ LL | const NULL_FAT_PTR: NonNull<dyn Send> = unsafe {
                HEX_DUMP
            }
 
-error: aborting due to 8 previous errors
+error: aborting due to 8 previous errors; 2 warnings emitted
 
 For more information about this error, try `rustc --explain E0080`.

tests/ui/consts/const-eval/ub-wide-ptr.stderr

@@ -1,3 +1,30 @@
+warning: field `0` is never read
+  --> $DIR/ub-wide-ptr.rs:28:14
+   |
+LL | struct MyStr(str);
+   |        ----- ^^^
+   |        |
+   |        field in this struct
+   |
+   = note: `#[warn(unused_tuple_struct_fields)]` on by default
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct MyStr(());
+   |              ~~
+
+warning: field `0` is never read
+  --> $DIR/ub-wide-ptr.rs:31:27
+   |
+LL | struct MySlice<T: ?Sized>(bool, T);
+   |        -------            ^^^^
+   |        |
+   |        field in this struct
+   |
+help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
+   |
+LL | struct MySlice<T: ?Sized>((), T);
+   |                           ~~
+
 error[E0080]: it is undefined behavior to use this value
   --> $DIR/ub-wide-ptr.rs:38:1
    |
@@ -317,6 +344,6 @@ LL | static mut RAW_TRAIT_OBJ_VTABLE_INVALID_THROUGH_REF: *const dyn Trait = uns
                HEX_DUMP
            }
 
-error: aborting due to 29 previous errors
+error: aborting due to 29 previous errors; 2 warnings emitted
 
 For more information about this error, try `rustc --explain E0080`.