Change request for Rust v1.64.0

Error when compiling with next version of Rust.
"error: unused return value of `std::boxed::Box::<T>::from_raw` that must be used"

Please check change for correctness.
bug: 243420629
test: test_compiler.py
Change-Id: I6a4297a95fc2870099c9b4d747dbc2b1b4723e24