1error[E0277]: the size for values of type `[u8]` cannot be known at compilation time 2 --> tests/ui-msrv/transmute-mut-dst-unsized.rs:17:32 3 | 417 | const DST_UNSIZED: &mut [u8] = transmute_mut!(&mut [0u8; 1]); 5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 6 | 7 = help: the trait `Sized` is not implemented for `[u8]` 8note: required by a bound in `AssertDstIsFromBytes` 9 --> tests/ui-msrv/transmute-mut-dst-unsized.rs:17:32 10 | 1117 | const DST_UNSIZED: &mut [u8] = transmute_mut!(&mut [0u8; 1]); 12 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `AssertDstIsFromBytes` 13 = note: this error originates in the macro `transmute_mut` (in Nightly builds, run with -Z macro-backtrace for more info) 14 15error[E0277]: the size for values of type `[u8]` cannot be known at compilation time 16 --> tests/ui-msrv/transmute-mut-dst-unsized.rs:17:32 17 | 1817 | const DST_UNSIZED: &mut [u8] = transmute_mut!(&mut [0u8; 1]); 19 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 20 | 21 = help: the trait `Sized` is not implemented for `[u8]` 22note: required by a bound in `AssertDstIsAsBytes` 23 --> tests/ui-msrv/transmute-mut-dst-unsized.rs:17:32 24 | 2517 | const DST_UNSIZED: &mut [u8] = transmute_mut!(&mut [0u8; 1]); 26 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `AssertDstIsAsBytes` 27 = note: this error originates in the macro `transmute_mut` (in Nightly builds, run with -Z macro-backtrace for more info) 28 29error[E0277]: the size for values of type `[u8]` cannot be known at compilation time 30 --> tests/ui-msrv/transmute-mut-dst-unsized.rs:17:32 31 | 3217 | const DST_UNSIZED: &mut [u8] = transmute_mut!(&mut [0u8; 1]); 33 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 34 | 35 = help: the trait `Sized` is not implemented for `[u8]` 36 = note: all local variables must have a statically known size 37 = help: unsized locals are gated as an unstable feature 38 = note: this error originates in the macro `transmute_mut` (in Nightly builds, run with -Z macro-backtrace for more info) 39 40error[E0277]: the size for values of type `[u8]` cannot be known at compilation time 41 --> tests/ui-msrv/transmute-mut-dst-unsized.rs:17:32 42 | 4317 | const DST_UNSIZED: &mut [u8] = transmute_mut!(&mut [0u8; 1]); 44 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 45 | 46 = help: the trait `Sized` is not implemented for `[u8]` 47note: required by a bound in `MaxAlignsOf` 48 --> src/macro_util.rs 49 | 50 | pub union MaxAlignsOf<T, U> { 51 | ^ required by this bound in `MaxAlignsOf` 52 = note: this error originates in the macro `$crate::assert_align_gt_eq` (in Nightly builds, run with -Z macro-backtrace for more info) 53 54error[E0277]: the size for values of type `[u8]` cannot be known at compilation time 55 --> tests/ui-msrv/transmute-mut-dst-unsized.rs:17:32 56 | 5717 | const DST_UNSIZED: &mut [u8] = transmute_mut!(&mut [0u8; 1]); 58 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 59 | 60 = help: the trait `Sized` is not implemented for `[u8]` 61note: required by a bound in `transmute` 62 --> $RUST/core/src/intrinsics.rs 63 | 64 | pub fn transmute<T, U>(e: T) -> U; 65 | ^ required by this bound in `transmute` 66 = note: this error originates in the macro `$crate::assert_size_eq` (in Nightly builds, run with -Z macro-backtrace for more info) 67 68error[E0277]: the size for values of type `[u8]` cannot be known at compilation time 69 --> tests/ui-msrv/transmute-mut-dst-unsized.rs:17:32 70 | 7117 | const DST_UNSIZED: &mut [u8] = transmute_mut!(&mut [0u8; 1]); 72 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 73 | 74 = help: the trait `Sized` is not implemented for `[u8]` 75note: required by a bound in `MaxAlignsOf::<T, U>::new` 76 --> src/macro_util.rs 77 | 78 | impl<T, U> MaxAlignsOf<T, U> { 79 | ^ required by this bound in `MaxAlignsOf::<T, U>::new` 80 = note: this error originates in the macro `$crate::assert_align_gt_eq` (in Nightly builds, run with -Z macro-backtrace for more info) 81 82error[E0277]: the size for values of type `[u8]` cannot be known at compilation time 83 --> tests/ui-msrv/transmute-mut-dst-unsized.rs:17:32 84 | 8517 | const DST_UNSIZED: &mut [u8] = transmute_mut!(&mut [0u8; 1]); 86 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 87 | 88 = help: the trait `Sized` is not implemented for `[u8]` 89note: required by a bound in `MaxAlignsOf` 90 --> src/macro_util.rs 91 | 92 | pub union MaxAlignsOf<T, U> { 93 | ^ required by this bound in `MaxAlignsOf` 94 = note: this error originates in the macro `$crate::assert_align_gt_eq` (in Nightly builds, run with -Z macro-backtrace for more info) 95 96error[E0277]: the size for values of type `[u8]` cannot be known at compilation time 97 --> tests/ui-msrv/transmute-mut-dst-unsized.rs:17:32 98 | 9917 | const DST_UNSIZED: &mut [u8] = transmute_mut!(&mut [0u8; 1]); 100 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 101 | 102 = help: the trait `Sized` is not implemented for `[u8]` 103note: required by a bound in `transmute_mut` 104 --> src/macro_util.rs 105 | 106 | pub unsafe fn transmute_mut<'dst, 'src: 'dst, Src: 'src, Dst: 'dst>( 107 | ^^^ required by this bound in `transmute_mut` 108 = note: this error originates in the macro `transmute_mut` (in Nightly builds, run with -Z macro-backtrace for more info) 109