error[E0277]: the trait bound `S: ~const Foo` is not satisfied --> $DIR/super-traits-fail.rs:13:12 | LL | impl const Bar for S {} | ^^^ the trait `~const Foo` is not implemented for `S` | note: the trait `Foo` is implemented for `S`, but that implementation is not `const` --> $DIR/super-traits-fail.rs:13:12 | LL | impl const Bar for S {} | ^^^ note: required by a bound in `Bar` --> $DIR/super-traits-fail.rs:6:12 | LL | trait Bar: ~const Foo {} | ^^^^^^^^^^ required by this bound in `Bar` help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement | LL | impl const Bar for S where S: ~const Foo {} | +++++++++++++++++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0277`.