error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/access_union_field.rs:10:13 | LL | let a = foo.bar; | ^^^^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error[E0133]: access to union field is unsafe and requires unsafe function or block --> $DIR/access_union_field.rs:11:13 | LL | let b = foo.baz; | ^^^^^^^ access to union field | = note: the field may not be properly initialized: using uninitialized data will cause undefined behavior error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0133`.