error[E0277]: the size for values of type `dyn Debug` cannot be known at compilation time
  --> $DIR/size_of-dyn-trait-3.rs:18:15
   |
LL |     let dst = Inline::<dyn Debug>::new(0);
   |               ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
   |
   = help: the trait `Sized` is not implemented for `dyn Debug`
note: required by an implicit `Sized` bound in `Inline`
  --> $DIR/size_of-dyn-trait-3.rs:10:15
   |
LL | struct Inline<T>
   |               ^ required by the implicit `Sized` requirement on this type parameter in `Inline`
help: consider relaxing the implicit `Sized` restriction
   |
LL | struct Inline<T: ?Sized>
   |                ++++++++

error[E0599]: no associated function or constant named `new` found for struct `Inline<T>` in the current scope
  --> $DIR/size_of-dyn-trait-3.rs:18:36
   |
LL | struct Inline<T>
   | ---------------- associated function or constant `new` not found for this struct
...
LL |     let dst = Inline::<dyn Debug>::new(0);
   |                                    ^^^ associated function or constant not found in `Inline<dyn Debug>`

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0277, E0599.
For more information about an error, try `rustc --explain E0277`.
