error[E0133]: call to unsafe function `require_unsafe` is unsafe and requires unsafe function or block --> $DIR/pat-unsafe-err.rs:15:13 | LL | require_unsafe(); | ^^^^^^^^^^^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior error[E0133]: call to unsafe function `require_unsafe` is unsafe and requires unsafe function or block --> $DIR/pat-unsafe-err.rs:22:13 | LL | require_unsafe() | ^^^^^^^^^^^^^^^^ call to unsafe function | = note: consult the function's documentation for information on how to avoid undefined behavior error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0133`.