| error[E0277]: the size for values of type `T` cannot be known at compilation time |
| --> $DIR/issue-27060-2.rs:3:5 |
| LL | pub struct Bad<T: ?Sized> { |
| | - this type parameter needs to be `std::marker::Sized` |
| | ^^^^^^^ doesn't have a size known at compile-time |
| = help: the trait `std::marker::Sized` is not implemented for `T` |
| = note: to learn more, visit <https://doc.rust-lang.org/book/ch19-04-advanced-types.html#dynamically-sized-types-and-the-sized-trait> |
| = note: the last field of a packed struct may only have a dynamically sized type if it does not need drop to be run |
| error: aborting due to previous error |
| For more information about this error, try `rustc --explain E0277`. |
