error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> tests/ui-stable/transmute-ref-dst-unsized.rs:17:28 | 17 | const DST_UNSIZED: &[u8] = transmute_ref!(&[0u8; 1]); | ^^^^^^^^^^^^^^^^^^^^^^^^^ | | | doesn't have a size known at compile-time | required by a bound introduced by this call | = help: the trait `Sized` is not implemented for `[u8]` note: required by a bound in `AssertDstIsSized` --> tests/ui-stable/transmute-ref-dst-unsized.rs:17:28 | 17 | const DST_UNSIZED: &[u8] = transmute_ref!(&[0u8; 1]); | ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `AssertDstIsSized` = note: this error originates in the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> tests/ui-stable/transmute-ref-dst-unsized.rs:17:28 | 17 | const DST_UNSIZED: &[u8] = transmute_ref!(&[0u8; 1]); | ^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: the trait `Sized` is not implemented for `[u8]` = note: all local variables must have a statically known size = help: unsized locals are gated as an unstable feature = note: this error originates in the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> tests/ui-stable/transmute-ref-dst-unsized.rs:17:28 | 17 | const DST_UNSIZED: &[u8] = transmute_ref!(&[0u8; 1]); | ^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: the trait `Sized` is not implemented for `[u8]` note: required by an implicit `Sized` bound in `MaxAlignsOf` --> src/util/macro_util.rs | | pub union MaxAlignsOf { | ^ required by the implicit `Sized` requirement on this type parameter in `MaxAlignsOf` = note: this error originates in the macro `$crate::assert_align_gt_eq` which comes from the expansion of the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> tests/ui-stable/transmute-ref-dst-unsized.rs:17:28 | 17 | const DST_UNSIZED: &[u8] = transmute_ref!(&[0u8; 1]); | ^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: the trait `Sized` is not implemented for `[u8]` note: required by an implicit `Sized` bound in `std::intrinsics::transmute` --> $RUST/core/src/intrinsics.rs | | pub fn transmute(src: Src) -> Dst; | ^^^ required by the implicit `Sized` requirement on this type parameter in `transmute` = note: this error originates in the macro `$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) error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> tests/ui-stable/transmute-ref-dst-unsized.rs:17:28 | 17 | const DST_UNSIZED: &[u8] = transmute_ref!(&[0u8; 1]); | ^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | = help: the trait `Sized` is not implemented for `[u8]` note: required by an implicit `Sized` bound in `transmute_ref` --> src/util/macro_util.rs | | pub const unsafe fn transmute_ref<'dst, 'src: 'dst, Src: 'src, Dst: 'dst>( | ^^^ required by the implicit `Sized` requirement on this type parameter in `transmute_ref` = note: this error originates in the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info)