1 warning: trait method `try_into` will become ambiguous in Rust 2021
2 --> $DIR/future-prelude-collision-turbofish.rs:19:5
4 LL | x.try_into::<usize>().or(Err("foo"))?.checked_sub(1);
5 | ^^^^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `AnnotatableTryInto::try_into::<usize>(x)`
7 note: the lint level is defined here
8 --> $DIR/future-prelude-collision-turbofish.rs:6:9
10 LL | #![warn(rust_2021_prelude_collisions)]
11 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
12 = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
13 = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/prelude.html>
15 warning: trait method `try_into` will become ambiguous in Rust 2021
16 --> $DIR/future-prelude-collision-turbofish.rs:23:5
18 LL | x.try_into::<usize>().or(Err("foo"))?;
19 | ^^^^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `AnnotatableTryInto::try_into::<usize>(x)`
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>
24 warning: 2 warnings emitted