error: strict provenance disallows casting integer `usize` to pointer `*const u8` --> $DIR/lint-strict-provenance-fuzzy-casts.rs:5:20 | LL | let dangling = 16_usize as *const u8; | ^^^^^^^^^^^^^^^^^^^^^ | = help: if you can't comply with strict provenance and don't have a pointer with the correct provenance you can use `std::ptr::from_exposed_addr()` instead note: the lint level is defined here --> $DIR/lint-strict-provenance-fuzzy-casts.rs:2:9 | LL | #![deny(fuzzy_provenance_casts)] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `.with_addr()` to adjust a valid pointer in the same allocation, to this address | LL | let dangling = (...).with_addr(16_usize); | ++++++++++++++++ ~ error: aborting due to previous error