error[E0277]: the trait bound `GnomeFactory: Factory<Window>` is not satisfied
  --> tests/fail/missing_interpolation.rs:18:29
   |
18 | impl AbstractGuiFactory for GnomeFactory {}
   |                             ^^^^^^^^^^^^ the trait `Factory<Window>` is not implemented for `GnomeFactory`
   |
help: this trait has no implementations, consider adding one
  --> tests/fail/missing_interpolation.rs:8:1
   |
8  | pub trait Factory<T: Element + ?Sized> {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: required by a bound in `AbstractGuiFactory`
  --> tests/fail/missing_interpolation.rs:13:1
   |
13 | #[abstract_factory(Factory, dyn Button, Window)]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `AbstractGuiFactory`
14 | pub trait AbstractGuiFactory {}
   |           ------------------ required by a bound in this trait
   = note: this error originates in the attribute macro `abstract_factory` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `GnomeFactory: Factory<(dyn Button + 'static)>` is not satisfied
  --> tests/fail/missing_interpolation.rs:18:29
   |
18 | impl AbstractGuiFactory for GnomeFactory {}
   |                             ^^^^^^^^^^^^ the trait `Factory<(dyn Button + 'static)>` is not implemented for `GnomeFactory`
   |
help: this trait has no implementations, consider adding one
  --> tests/fail/missing_interpolation.rs:8:1
   |
8  | pub trait Factory<T: Element + ?Sized> {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: required by a bound in `AbstractGuiFactory`
  --> tests/fail/missing_interpolation.rs:13:1
   |
13 | #[abstract_factory(Factory, dyn Button, Window)]
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `AbstractGuiFactory`
14 | pub trait AbstractGuiFactory {}
   |           ------------------ required by a bound in this trait
   = note: this error originates in the attribute macro `abstract_factory` (in Nightly builds, run with -Z macro-backtrace for more info)