warning: the feature `fn_delegation` is incomplete and may not be safe to use and/or cause compiler crashes --> $DIR/target-expr-pass.rs:3:12 | LL | #![feature(fn_delegation)] | ^^^^^^^^^^^^^ | = note: see issue #118212 for more information = note: `#[warn(incomplete_features)]` on by default warning: trait `Trait` is never used --> $DIR/target-expr-pass.rs:17:7 | LL | trait Trait { | ^^^^^ | = note: `#[warn(dead_code)]` on by default warning: struct `F` is never constructed --> $DIR/target-expr-pass.rs:21:8 | LL | struct F; | ^ warning: struct `S` is never constructed --> $DIR/target-expr-pass.rs:24:8 | LL | struct S(F); | ^ warning: 4 warnings emitted