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warning: trait method `try_into` will become ambiguous in Rust 2021
--> $DIR/future-prelude-collision-macros.rs:39:5
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LL | foo!().try_into(todo!());
| ^^^^^^^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `MyTry::try_into(foo!(), todo!())`
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note: the lint level is defined here
--> $DIR/future-prelude-collision-macros.rs:4:9
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LL | #![warn(rust_2021_prelude_collisions)]
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= 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>
warning: trait-associated function `try_from` will become ambiguous in Rust 2021
--> $DIR/future-prelude-collision-macros.rs:42:5
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LL | <bar!()>::try_from(0);
| ^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `<bar!() as TryFromU8>::try_from`
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= 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>
warning: 2 warnings emitted
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