error: Undefined Behavior: out-of-bounds pointer arithmetic: $HEX[noalloc] is a dangling pointer (it has no provenance) --> $DIR/ptr_invalid_offset.rs:LL:CC | LL | let _ = unsafe { roundtrip.offset(1) }; | ^^^^^^^^^^^^^^^^^^^ out-of-bounds pointer arithmetic: $HEX[noalloc] is a dangling pointer (it has no provenance) | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information = note: BACKTRACE: = note: inside `main` at $DIR/ptr_invalid_offset.rs:LL:CC note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace error: aborting due to previous error