Replace compile_fail doc tests with trybuild (#2588)

* WIP: use trybuild for compile tests

* declaring_old_block

* declaring_own_block_with_different_name

* adding_self_parameter

* adding_at_parameter

* invalid_api_version

* invalid_api_version2 & invalid_api_version3

* missing_block_generic_parameter

* Restore main functions

* missing_path_for_trait

* empty_impl_runtime_apis_call

* empty_impl_runtime_apis_call

* type_reference_in_impl_runtime_apis_call

* impl_incorrect_method_signature

* impl_two_traits_with_same_name

* changed_at_unknown_version

* changed_at > changed_in

* fix test