error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `usize` --> $DIR/lint-strict-provenance-lossy-casts.rs:6:23 | LL | let addr: usize = &x as *const u8 as usize; | ^^^^^^^^^^^^^^^^^^^^^^^^ | = help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_provenance()` instead note: the lint level is defined here --> $DIR/lint-strict-provenance-lossy-casts.rs:2:9 | LL | #![deny(lossy_provenance_casts)] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `.addr()` to obtain the address of a pointer | LL | let addr: usize = (&x as *const u8).addr(); | + ~~~~~~~~ error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `u32` --> $DIR/lint-strict-provenance-lossy-casts.rs:9:22 | LL | let addr_32bit = &x as *const u8 as u32; | ^^^^^^^^^^^^^^^^^^^^^^ | = help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_provenance()` instead help: use `.addr()` to obtain the address of a pointer | LL | let addr_32bit = (&x as *const u8).addr() as u32; | + ~~~~~~~~~~~~~~~ error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `usize` --> $DIR/lint-strict-provenance-lossy-casts.rs:14:20 | LL | let ptr_addr = ptr as usize; | ^^^--------- | | | help: use `.addr()` to obtain the address of a pointer: `.addr()` | = help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_provenance()` instead error: under strict provenance it is considered bad style to cast pointer `*const u8` to integer `u32` --> $DIR/lint-strict-provenance-lossy-casts.rs:16:26 | LL | let ptr_addr_32bit = ptr as u32; | ^^^------- | | | help: use `.addr()` to obtain the address of a pointer: `.addr() as u32` | = help: if you can't comply with strict provenance and need to expose the pointer provenance you can use `.expose_provenance()` instead error: aborting due to 4 previous errors