1 warning: byte slice in a packed struct that derives a built-in trait
2 --> $DIR/deriving-with-repr-packed.rs:31:5
5 | ----- in this derive macro expansion
10 = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
11 = note: for more information, see issue #107457 <https://github.com/rust-lang/rust/issues/107457>
12 = help: consider implementing the trait by hand, or remove the `packed` attribute
13 = note: `#[warn(byte_slice_in_packed_struct_with_derive)]` on by default
14 = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
16 warning: string slice in a packed struct that derives a built-in trait
17 --> $DIR/deriving-with-repr-packed.rs:41:5
20 | ----- in this derive macro expansion
25 = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
26 = note: for more information, see issue #107457 <https://github.com/rust-lang/rust/issues/107457>
27 = help: consider implementing the trait by hand, or remove the `packed` attribute
28 = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
30 error[E0507]: cannot move out of `self` which is behind a shared reference
31 --> $DIR/deriving-with-repr-packed.rs:22:10
33 LL | #[derive(Debug, Default)]
34 | ----- in this derive macro expansion
37 | ^ move occurs because `self.0` has type `Y`, which does not implement the `Copy` trait
39 = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
41 error: aborting due to previous error; 2 warnings emitted
43 For more information about this error, try `rustc --explain E0507`.
44 Future incompatibility report: Future breakage diagnostic:
45 warning: byte slice in a packed struct that derives a built-in trait
46 --> $DIR/deriving-with-repr-packed.rs:31:5
49 | ----- in this derive macro expansion
54 = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
55 = note: for more information, see issue #107457 <https://github.com/rust-lang/rust/issues/107457>
56 = help: consider implementing the trait by hand, or remove the `packed` attribute
57 = note: `#[warn(byte_slice_in_packed_struct_with_derive)]` on by default
58 = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
60 Future breakage diagnostic:
61 warning: string slice in a packed struct that derives a built-in trait
62 --> $DIR/deriving-with-repr-packed.rs:41:5
65 | ----- in this derive macro expansion
70 = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
71 = note: for more information, see issue #107457 <https://github.com/rust-lang/rust/issues/107457>
72 = help: consider implementing the trait by hand, or remove the `packed` attribute
73 = note: `#[warn(byte_slice_in_packed_struct_with_derive)]` on by default
74 = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)