| warning: trait-associated function `from_iter` will become ambiguous in Rust 2021 | |
| --> $DIR/generic-type-collision.rs:15:5 | |
| | | |
| LL | <Vec<i32>>::from_iter(None); | |
| | ^^^^^^^^^^^^^^^^^^^^^ help: disambiguate the associated function: `<Vec<i32> as MyTrait<_>>::from_iter` | |
| | | |
| = 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/edition-guide/rust-2021/prelude.html> | |
| note: the lint level is defined here | |
| --> $DIR/generic-type-collision.rs:4:9 | |
| | | |
| LL | #![warn(rust_2021_prelude_collisions)] | |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
| warning: 1 warning emitted | |