//~^ ERROR cannot call non-const formatting macro in constant functions
//~| ERROR `Arguments::<'a>::new_v1` is not yet stable as a const fn
//~| ERROR cannot call non-const fn `_print` in constant functions
//~^ ERROR cannot call non-const formatting macro in constant functions
//~| ERROR `Arguments::<'a>::new_v1` is not yet stable as a const fn
//~| ERROR cannot call non-const fn `_print` in constant functions