error[E0277]: the trait bound `T: std::marker::Copy` is not satisfied
  --> $DIR/issue-43784-associated-type.rs:23:9
   |
LL | impl<T> Complete for T { //~ ERROR the trait bound `T: std::marker::Copy` is not satisfied
   |         ^^^^^^^^ the trait `std::marker::Copy` is not implemented for `T`
   |
   = help: consider adding a `where T: std::marker::Copy` bound

error: aborting due to previous error

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