[ci] Roll pinned stable toolchain (#2540)

Author: google-pr-creation-bot

Cargo.toml

@@ -59,7 +59,7 @@ zerocopy-panic-in-const-and-vec-try-reserve-1-57-0 = "1.57.0"
 
 [package.metadata.ci]
 # The versions of the stable and nightly compiler toolchains to use in CI.
-pinned-stable = "1.86.0"
+pinned-stable = "1.87.0"
 pinned-nightly = "nightly-2025-05-14"
 
 [package.metadata.docs.rs]

tests/ui-stable/transmute-mut-dst-not-a-reference.stderr

@@ -53,7 +53,7 @@ help: the return type of this call is `&mut _` due to the type of the argument p
   --> tests/ui-stable/transmute-mut-dst-not-a-reference.rs:17:36
    |
 17 | const DST_NOT_A_REFERENCE: usize = transmute_mut!(&mut 0u8);
-   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^ this argument influences the return type of `$crate`
+   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^ this argument influences the return type of `must_use`
 note: function defined here
   --> src/util/macro_util.rs
    |

tests/ui-stable/transmute-mut-dst-unsized.stderr

@@ -50,7 +50,7 @@ error[E0277]: the size for values of type `[u8]` cannot be known at compilation
 note: required by an implicit `Sized` bound in `std::intrinsics::transmute`
   --> $RUST/core/src/intrinsics/mod.rs
    |
-   | pub const unsafe fn transmute<Src, Dst>(_src: Src) -> Dst {
+   | pub const unsafe fn transmute<Src, Dst>(src: Src) -> Dst;
    |                                    ^^^ required by the implicit `Sized` requirement on this type parameter in `transmute`
    = note: this error originates in the macro `$crate::assert_size_eq` which comes from the expansion of the macro `transmute_mut` (in Nightly builds, run with -Z macro-backtrace for more info)
 

tests/ui-stable/transmute-mut-src-dst-unsized.stderr

@@ -147,7 +147,7 @@ error[E0277]: the size for values of type `[u8]` cannot be known at compilation
 note: required by an implicit `Sized` bound in `std::intrinsics::transmute`
   --> $RUST/core/src/intrinsics/mod.rs
    |
-   | pub const unsafe fn transmute<Src, Dst>(_src: Src) -> Dst {
+   | pub const unsafe fn transmute<Src, Dst>(src: Src) -> Dst;
    |                                    ^^^ required by the implicit `Sized` requirement on this type parameter in `transmute`
    = note: this error originates in the macro `$crate::assert_size_eq` which comes from the expansion of the macro `transmute_mut` (in Nightly builds, run with -Z macro-backtrace for more info)
 

tests/ui-stable/transmute-ref-dst-mutable.stderr

@@ -53,7 +53,7 @@ help: the return type of this call is `&_` due to the type of the argument passe
   --> tests/ui-stable/transmute-ref-dst-mutable.rs:18:22
    |
 18 |     let _: &mut u8 = transmute_ref!(&0u8);
-   |                      ^^^^^^^^^^^^^^^^^^^^ this argument influences the return type of `$crate`
+   |                      ^^^^^^^^^^^^^^^^^^^^ this argument influences the return type of `must_use`
 note: function defined here
   --> src/util/macro_util.rs
    |

tests/ui-stable/transmute-ref-dst-not-a-reference.stderr

@@ -53,7 +53,7 @@ help: the return type of this call is `&_` due to the type of the argument passe
   --> tests/ui-stable/transmute-ref-dst-not-a-reference.rs:17:36
    |
 17 | const DST_NOT_A_REFERENCE: usize = transmute_ref!(&0u8);
-   |                                    ^^^^^^^^^^^^^^^^^^^^ this argument influences the return type of `$crate`
+   |                                    ^^^^^^^^^^^^^^^^^^^^ this argument influences the return type of `must_use`
 note: function defined here
   --> src/util/macro_util.rs
    |

tests/ui-stable/transmute-ref-dst-unsized.stderr

@@ -50,7 +50,7 @@ error[E0277]: the size for values of type `[u8]` cannot be known at compilation
 note: required by an implicit `Sized` bound in `std::intrinsics::transmute`
   --> $RUST/core/src/intrinsics/mod.rs
    |
-   | pub const unsafe fn transmute<Src, Dst>(_src: Src) -> Dst {
+   | pub const unsafe fn transmute<Src, Dst>(src: Src) -> Dst;
    |                                    ^^^ required by the implicit `Sized` requirement on this type parameter in `transmute`
    = note: this error originates in the macro `$crate::assert_size_eq` which comes from the expansion of the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info)
 

tests/ui-stable/transmute-ref-src-dst-not-references.stderr

@@ -69,7 +69,7 @@ help: the return type of this call is `&_` due to the type of the argument passe
   --> tests/ui-stable/transmute-ref-src-dst-not-references.rs:17:39
    |
 17 | const SRC_DST_NOT_REFERENCES: usize = transmute_ref!(0usize);
-   |                                       ^^^^^^^^^^^^^^^^^^^^^^ this argument influences the return type of `$crate`
+   |                                       ^^^^^^^^^^^^^^^^^^^^^^ this argument influences the return type of `must_use`
 note: function defined here
   --> src/util/macro_util.rs
    |

tests/ui-stable/transmute-ref-src-dst-unsized.stderr

@@ -147,7 +147,7 @@ error[E0277]: the size for values of type `[u8]` cannot be known at compilation
 note: required by an implicit `Sized` bound in `std::intrinsics::transmute`
   --> $RUST/core/src/intrinsics/mod.rs
    |
-   | pub const unsafe fn transmute<Src, Dst>(_src: Src) -> Dst {
+   | pub const unsafe fn transmute<Src, Dst>(src: Src) -> Dst;
    |                                    ^^^ required by the implicit `Sized` requirement on this type parameter in `transmute`
    = note: this error originates in the macro `$crate::assert_size_eq` which comes from the expansion of the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info)
 

zerocopy-derive/tests/ui-stable/enum.stderr

@@ -274,10 +274,10 @@ error: generic parameters may not be used in const operations
     = note: type parameters may not be used in const expressions
 
 error[E0565]: meta item in `repr` must be an identifier
-  --> tests/ui-stable/enum.rs:19:8
+  --> tests/ui-stable/enum.rs:19:1
    |
 19 | #[repr("foo")]
-   |        ^^^^^
+   | ^^^^^^^^^^^^^^
 
 error[E0552]: unrecognized representation hint
   --> tests/ui-stable/enum.rs:25:8