1 warning: trait-associated function `try_from` will become ambiguous in Rust 2021
2 --> $DIR/future-prelude-collision-generic-trait.rs:24:9
5 | ^^^^^^^^^^^ help: disambiguate the associated function: `<U as PyTryFrom<'_, _>>::try_from`
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-generic-trait.rs:5:9
12 LL | #![warn(rust_2021_prelude_collisions)]
13 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
15 warning: 1 warning emitted