1 warning: value assigned to `a` is never read
2 --> $DIR/liveness_unintentional_copy.rs:20:9
7 = help: maybe it is overwritten before being read?
8 note: the lint level is defined here
9 --> $DIR/liveness_unintentional_copy.rs:4:9
13 = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]`
15 warning: unused variable: `a`
16 --> $DIR/liveness_unintentional_copy.rs:20:9
21 = help: did you mean to capture by reference instead?
22 = note: `#[warn(unused_variables)]` implied by `#[warn(unused)]`
24 warning: unused variable: `a`
25 --> $DIR/liveness_unintentional_copy.rs:36:9
30 = help: did you mean to capture by reference instead?
32 warning: 3 warnings emitted