error: type annotations needed --> $DIR/edition-raw-pointer-method-2015.rs:9:15 | LL | let _ = y.is_null(); | ^^^^^^^ | = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! = note: for more information, see issue #46906 note: the lint level is defined here --> $DIR/edition-raw-pointer-method-2015.rs:5:8 | LL | #[deny(warnings)] | ^^^^^^^^ = note: `#[deny(tyvar_behind_raw_pointer)]` implied by `#[deny(warnings)]` error: aborting due to previous error