| error: lint `safe_packed_borrows` has been removed: converted into hard error, see issue #82523 <https://github.com/rust-lang/rust/issues/82523> for more information |
| --> tests/ui/pin_project/safe_packed_borrows.rs:2:9 |
| | |
| 2 | #![deny(safe_packed_borrows)] //~ ERROR has been renamed to `unaligned_references` |
| | ^^^^^^^^^^^^^^^^^^^ |
| | |
| note: the lint level is defined here |
| --> tests/ui/pin_project/safe_packed_borrows.rs:1:9 |
| | |
| 1 | #![deny(renamed_and_removed_lints)] |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^ |
| |
| error[E0793]: reference to packed field is unaligned |
| --> tests/ui/pin_project/safe_packed_borrows.rs:21:13 |
| | |
| 21 | let _ = &a.f; |
| | ^^^^ |
| | |
| = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses |
| = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) |
| = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) |
| |
| error[E0793]: reference to packed field is unaligned |
| --> tests/ui/pin_project/safe_packed_borrows.rs:24:13 |
| | |
| 24 | let _ = &b.f; |
| | ^^^^ |
| | |
| = note: packed structs are only aligned by one byte, and many modern architectures penalize unaligned field accesses |
| = note: creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) |
| = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) |
