error: borrow of packed field is unsafe and requires unsafe function or block (error E0133) --> $DIR/issue-27060.rs:26:13 | LL | let _ = &good.data; | ^^^^^^^^^^ | note: lint level defined here --> $DIR/issue-27060.rs:13:8 | LL | #[deny(safe_packed_borrows)] | ^^^^^^^^^^^^^^^^^^^ = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #46043 = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior error: borrow of packed field is unsafe and requires unsafe function or block (error E0133) --> $DIR/issue-27060.rs:28:13 | LL | let _ = &good.data2[0]; | ^^^^^^^^^^^^^^ | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! = note: for more information, see issue #46043 = note: fields of packed structs might be misaligned: dereferencing a misaligned pointer or even just creating a misaligned reference is undefined behavior error: aborting due to 2 previous errors