src/test/ui/rust-2021/future-prelude-collision-macros.stderr

   1 warning: trait method `try_into` will become ambiguous in Rust 2021
   2   --> $DIR/future-prelude-collision-macros.rs:39:5
   3    |
   4 LL |     foo!().try_into(todo!());
   5    |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `MyTry::try_into(foo!(), todo!())`
   6    |
   7    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
   8    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/prelude.html>
   9 note: the lint level is defined here
  10   --> $DIR/future-prelude-collision-macros.rs:4:9
  11    |
  12 LL | #![warn(rust_2021_prelude_collisions)]
  13    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  14
  15 warning: trait-associated function `try_from` will become ambiguous in Rust 2021
  16   --> $DIR/future-prelude-collision-macros.rs:42:5
  17    |
  18 LL |     <bar!()>::try_from(0);
  19    |     ^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `<bar!() as TryFromU8>::try_from`
  20    |
  21    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
  22    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/prelude.html>
  23
  24 warning: 2 warnings emitted
  25