139 lines
5.3 KiB
Plaintext
139 lines
5.3 KiB
Plaintext
error: unsupported on types with type parameters
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--> tests/ui-nightly/union.rs:34:10
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34 | #[derive(IntoBytes)]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `IntoBytes` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: must be #[repr(C)], #[repr(packed)], or #[repr(transparent)]
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--> tests/ui-nightly/union.rs:48:10
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48 | #[derive(IntoBytes)]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `IntoBytes` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: must be #[repr(C)], #[repr(packed)], or #[repr(transparent)]
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--> tests/ui-nightly/union.rs:54:10
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54 | #[derive(IntoBytes)]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `IntoBytes` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: cannot derive `Unaligned` on type with alignment greater than 1
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--> tests/ui-nightly/union.rs:65:11
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65 | #[repr(C, align(2))]
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| ^^^^^^^^
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error: this conflicts with another representation hint
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--> tests/ui-nightly/union.rs:81:8
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81 | #[repr(packed, align(2))]
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| ^^^^^^^^^^^^^^^^
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error: this conflicts with another representation hint
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--> tests/ui-nightly/union.rs:87:8
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87 | #[repr(align(1), align(2))]
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| ^^^^^^^^^^^^^^^^^^
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error: this conflicts with another representation hint
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--> tests/ui-nightly/union.rs:93:8
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93 | #[repr(align(2), align(4))]
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| ^^^^^^^^^^^^^^^^^^
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error: must have #[repr(C)], #[repr(transparent)], or #[repr(packed)] attribute in order to guarantee this type's alignment
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--> tests/ui-nightly/union.rs:98:10
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98 | #[derive(Unaligned)]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `Unaligned` (in Nightly builds, run with -Z macro-backtrace for more info)
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error: must have #[repr(C)], #[repr(transparent)], or #[repr(packed)] attribute in order to guarantee this type's alignment
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--> tests/ui-nightly/union.rs:104:10
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104 | #[derive(Unaligned)]
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| ^^^^^^^^^
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= note: this error originates in the derive macro `Unaligned` (in Nightly builds, run with -Z macro-backtrace for more info)
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warning: unexpected `cfg` condition name: `zerocopy_derive_union_into_bytes`
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--> tests/ui-nightly/union.rs:40:10
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40 | #[derive(IntoBytes)]
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| ^^^^^^^^^
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= help: expected names are: `docsrs`, `feature`, and `test` and 31 more
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= note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
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= help: try referring to `IntoBytes` crate for guidance on how handle this unexpected cfg
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= help: the derive macro `IntoBytes` may come from an old version of the `zerocopy_derive` crate, try updating your dependency with `cargo update -p zerocopy_derive`
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= note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
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= note: `#[warn(unexpected_cfgs)]` on by default
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= note: this warning originates in the derive macro `IntoBytes` (in Nightly builds, run with -Z macro-backtrace for more info)
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error[E0277]: the trait bound `UnsafeCell<()>: zerocopy::Immutable` is not satisfied
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--> tests/ui-nightly/union.rs:25:10
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25 | #[derive(Immutable)]
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| ^^^^^^^^^ the trait `zerocopy::Immutable` is not implemented for `UnsafeCell<()>`
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= note: Consider adding `#[derive(Immutable)]` to `UnsafeCell<()>`
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= help: the following other types implement trait `zerocopy::Immutable`:
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&T
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&mut T
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()
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*const T
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*mut T
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AU16
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F32<O>
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F64<O>
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and $N others
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= note: required for `ManuallyDrop<UnsafeCell<()>>` to implement `zerocopy::Immutable`
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= help: see issue #48214
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= note: this error originates in the derive macro `Immutable` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
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9 + #![feature(trivial_bounds)]
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error[E0277]: `IntoBytes2` has 1 total byte(s) of padding
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--> tests/ui-nightly/union.rs:40:10
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40 | #[derive(IntoBytes)]
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| ^^^^^^^^^ types with padding cannot implement `IntoBytes`
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= note: consider using `zerocopy::Unalign` to lower the alignment of individual fields
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= note: consider adding explicit fields where padding would be
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= note: consider using `#[repr(packed)]` to remove padding
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= help: the trait `PaddingFree<IntoBytes2, 1>` is not implemented for `()`
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but trait `PaddingFree<IntoBytes2, 0>` is implemented for it
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= help: see issue #48214
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= note: this error originates in the derive macro `IntoBytes` (in Nightly builds, run with -Z macro-backtrace for more info)
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help: add `#![feature(trivial_bounds)]` to the crate attributes to enable
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9 + #![feature(trivial_bounds)]
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error[E0587]: type has conflicting packed and align representation hints
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--> tests/ui-nightly/union.rs:82:1
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82 | union Unaligned3 {
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| ^^^^^^^^^^^^^^^^
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error[E0588]: packed type cannot transitively contain a `#[repr(align)]` type
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--> tests/ui-nightly/union.rs:106:1
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106 | union Unaligned7 {
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| ^^^^^^^^^^^^^^^^
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note: `AU16` has a `#[repr(align)]` attribute
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--> tests/ui-nightly/../include.rs
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63 | pub struct AU16(pub u16);
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| ^^^^^^^^^^^^^^^
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