error: type could implement `Copy`; consider adding `impl Copy` --> $DIR/lint-missing-copy-implementations.rs:6:5 | LL | / pub struct Foo { LL | | pub field: i32 LL | | } | |_____^ | note: the lint level is defined here --> $DIR/lint-missing-copy-implementations.rs:3:9 | LL | #![deny(missing_copy_implementations)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 1 previous error