error: unsupported on generic structs that are not repr(transparent) or repr(packed) --> tests/ui-msrv/struct.rs:55:10 | 55 | #[derive(AsBytes)] | ^^^^^^^ | = note: this error originates in the derive macro `AsBytes` (in Nightly builds, run with -Z macro-backtrace for more info) error: cannot derive Unaligned with repr(align(N > 1)) --> tests/ui-msrv/struct.rs:80:11 | 80 | #[repr(C, align(2))] | ^^^^^^^^ error: cannot derive Unaligned with repr(align(N > 1)) --> tests/ui-msrv/struct.rs:84:21 | 84 | #[repr(transparent, align(2))] | ^^^^^^^^ error: cannot derive Unaligned with repr(align(N > 1)) --> tests/ui-msrv/struct.rs:90:16 | 90 | #[repr(packed, align(2))] | ^^^^^^^^ error: cannot derive Unaligned with repr(align(N > 1)) --> tests/ui-msrv/struct.rs:94:18 | 94 | #[repr(align(1), align(2))] | ^^^^^^^^ error: cannot derive Unaligned with repr(align(N > 1)) --> tests/ui-msrv/struct.rs:98:8 | 98 | #[repr(align(2), align(4))] | ^^^^^^^^ error[E0692]: transparent struct cannot have other repr hints --> tests/ui-msrv/struct.rs:84:8 | 84 | #[repr(transparent, align(2))] | ^^^^^^^^^^^ ^^^^^^^^ error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> tests/ui-msrv/struct.rs:31:10 | 31 | #[derive(KnownLayout)] | ^^^^^^^^^^^ doesn't have a size known at compile-time | = help: within `KL00`, the trait `Sized` is not implemented for `[u8]` note: required because it appears within the type `KL00` --> tests/ui-msrv/struct.rs:32:8 | 32 | struct KL00(u8, NotKnownLayoutDst); | ^^^^ = help: see issue #48214 = note: this error originates in the derive macro `KnownLayout` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> tests/ui-msrv/struct.rs:36:10 | 36 | #[derive(KnownLayout)] | ^^^^^^^^^^^ doesn't have a size known at compile-time | = help: within `KL02`, the trait `Sized` is not implemented for `[u8]` note: required because it appears within the type `KL02` --> tests/ui-msrv/struct.rs:37:8 | 37 | struct KL02(u8, [u8]); | ^^^^ = help: see issue #48214 = note: this error originates in the derive macro `KnownLayout` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the trait bound `NotKnownLayoutDst: KnownLayout` is not satisfied --> tests/ui-msrv/struct.rs:41:10 | 41 | #[derive(KnownLayout)] | ^^^^^^^^^^^ the trait `KnownLayout` is not implemented for `NotKnownLayoutDst` | = help: see issue #48214 = note: this error originates in the derive macro `KnownLayout` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the trait bound `NotKnownLayout: KnownLayout` is not satisfied --> tests/ui-msrv/struct.rs:47:10 | 47 | #[derive(KnownLayout)] | ^^^^^^^^^^^ the trait `KnownLayout` is not implemented for `NotKnownLayout` | = help: see issue #48214 = note: this error originates in the derive macro `KnownLayout` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the trait bound `HasPadding: ShouldBe` is not satisfied --> tests/ui-msrv/struct.rs:59:10 | 59 | #[derive(AsBytes)] | ^^^^^^^ the trait `ShouldBe` is not implemented for `HasPadding` | = help: the following implementations were found: as ShouldBe> = help: see issue #48214 = note: this error originates in the derive macro `AsBytes` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the trait bound `HasPadding: ShouldBe` is not satisfied --> tests/ui-msrv/struct.rs:66:10 | 66 | #[derive(AsBytes)] | ^^^^^^^ the trait `ShouldBe` is not implemented for `HasPadding` | = help: the following implementations were found: as ShouldBe> = help: see issue #48214 = note: this error originates in the derive macro `AsBytes` (in Nightly builds, run with -Z macro-backtrace for more info)