1 warning: value assigned to `a` is never read
2 --> $DIR/warn-unused-duplication.rs:11:6
7 note: the lint level is defined here
8 --> $DIR/warn-unused-duplication.rs:5:9
10 LL | #![warn(unused_assignments)]
12 = help: maybe it is overwritten before being read?
14 warning: 1 warning emitted