error: `#[derive]` can't be used on a `#[repr(packed)]` struct with type or const parameters (error E0133) --> $DIR/deriving-with-repr-packed.rs:8:16 | LL | #[derive(Copy, Clone, PartialEq, Eq)] | ^^^^^ | note: lint level defined here --> $DIR/deriving-with-repr-packed.rs:1:9 | 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 error: `#[derive]` can't be used on a `#[repr(packed)]` struct with type or const parameters (error E0133) --> $DIR/deriving-with-repr-packed.rs:8:23 | LL | #[derive(Copy, Clone, PartialEq, Eq)] | ^^^^^^^^^ | = 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 error: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133) --> $DIR/deriving-with-repr-packed.rs:16:10 | LL | #[derive(PartialEq, Eq)] | ^^^^^^^^^ | = 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 error: `#[derive]` can't be used on a `#[repr(packed)]` struct that does not derive Copy (error E0133) --> $DIR/deriving-with-repr-packed.rs:25:10 | LL | #[derive(PartialEq)] | ^^^^^^^^^ | = 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 error: aborting due to 4 previous errors