error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/transmute-fat-pointers.rs:10:14 | LL | unsafe { transmute(x) } | ^^^^^^^^^ | = note: source type: `&[T]` (N bits) = note: target type: `&U` (pointer to `U`) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/transmute-fat-pointers.rs:14:14 | LL | unsafe { transmute(x) } | ^^^^^^^^^ | = note: source type: `&T` (pointer to `T`) = note: target type: `&U` (pointer to `U`) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/transmute-fat-pointers.rs:26:14 | LL | unsafe { transmute(x) } | ^^^^^^^^^ | = note: source type: `&T` (pointer to `T`) = note: target type: `&U` (N bits) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/transmute-fat-pointers.rs:30:14 | LL | unsafe { transmute(x) } | ^^^^^^^^^ | = note: source type: `&T` (N bits) = note: target type: `&U` (pointer to `U`) error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0512`.