error[E0277]: the trait bound `dyn Setup<From = T>: Setup` is not satisfied
  --> $DIR/object-unsafety.rs:12:12
   |
LL |     copy::<dyn Setup<From=T>>(t)
   |            ^^^^^^^^^^^^^^^^^ the trait `Setup` is not implemented for `dyn Setup<From = T>`
   |
note: required by a bound in `copy`
  --> $DIR/object-unsafety.rs:7:12
   |
LL | fn copy<U: Setup + ?Sized>(from: &U::From) -> U::From {
   |            ^^^^^ required by this bound in `copy`
help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement
   |
LL | pub fn copy_any<T>(t: &T) -> T where dyn Setup<From = T>: Setup {
   |                                ++++++++++++++++++++++++++++++++

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.