error[E0277]: `should_reject_repr_rust::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. --> $DIR/should_require_well_defined_layout.rs:30:48 | LL | assert::is_maybe_transmutable::(); | ^^ `should_reject_repr_rust::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. | = help: the trait `BikeshedIntrinsicFrom` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable() | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom | |__________^ required by this bound in `is_maybe_transmutable` error[E0277]: `u128` cannot be safely transmuted into `should_reject_repr_rust::repr_rust` in the defining scope of `assert::Context`. --> $DIR/should_require_well_defined_layout.rs:31:43 | LL | assert::is_maybe_transmutable::(); | ^^^^^^^^^ `u128` cannot be safely transmuted into `should_reject_repr_rust::repr_rust` in the defining scope of `assert::Context`. | = help: the trait `BikeshedIntrinsicFrom` is not implemented for `should_reject_repr_rust::repr_rust` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable() | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom | |__________^ required by this bound in `is_maybe_transmutable` error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`.