warning: trait objects without an explicit `dyn` are deprecated
  --> $DIR/bare-trait-objects-path.rs:15:5
   |
LL |     Dyn::func();
   |     ^^^
   |
   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
help: if this is a dyn-compatible trait, use `dyn`
   |
LL |     <dyn Dyn>::func();
   |     ++++    +

warning: trait objects without an explicit `dyn` are deprecated
  --> $DIR/bare-trait-objects-path.rs:18:5
   |
LL |     ::Dyn::func();
   |     ^^^^^
   |
   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
help: if this is a dyn-compatible trait, use `dyn`
   |
LL |     <dyn (::Dyn)>::func();
   |     ++++++     ++

warning: trait objects without an explicit `dyn` are deprecated
  --> $DIR/bare-trait-objects-path.rs:21:5
   |
LL |     Dyn::CONST;
   |     ^^^
   |
   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
help: if this is a dyn-compatible trait, use `dyn`
   |
LL |     <dyn Dyn>::CONST;
   |     ++++    +

warning: trait objects without an explicit `dyn` are deprecated
  --> $DIR/bare-trait-objects-path.rs:24:12
   |
LL |     let _: Dyn::Ty;
   |            ^^^
   |
   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
help: if this is a dyn-compatible trait, use `dyn`
   |
LL |     let _: <dyn Dyn>::Ty;
   |            ++++    +

error[E0223]: ambiguous associated type
  --> $DIR/bare-trait-objects-path.rs:24:12
   |
LL |     let _: Dyn::Ty;
   |            ^^^^^^^
   |
help: use fully-qualified syntax
   |
LL -     let _: Dyn::Ty;
LL +     let _: <dyn Dyn as Assoc>::Ty;
   |

error: aborting due to 1 previous error; 4 warnings emitted

For more information about this error, try `rustc --explain E0223`.