error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> tests/ui-stable/transmute-ref-src-dst-generic.rs:18:5 | 18 | transmute_ref!(t) | ^^^^^^^^^^^^^^^^^ | = note: source type: `T` (this type does not have a fixed size) = note: target type: `U` (this type does not have a fixed size) = note: this error originates in the macro `$crate::assert_size_eq` which comes from the expansion of the macro `transmute_ref` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> tests/ui-stable/transmute-ref-src-dst-generic.rs:18:5 | 18 | transmute_ref!(t) | ^^^^^^^^^^^^^^^^^ | = note: source type: `AlignOf` (size can vary because of T) = note: target type: `MaxAlignsOf` (size can vary because of T) = note: this error originates in the macro `$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)