warning: trait method `try_into` will become ambiguous in Rust 2021
  --> $DIR/inherent-dyn-collision.rs:42:9
   |
LL |         get_dyn_trait().try_into().unwrap()
   |         ^^^^^^^^^^^^^^^ help: disambiguate the method call: `(&*get_dyn_trait())`
   |
   = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/prelude.html>
note: the lint level is defined here
  --> $DIR/inherent-dyn-collision.rs:8:9
   |
LL | #![warn(rust_2021_prelude_collisions)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

warning: 1 warning emitted