Fix warnings from rustc 1.65.0 am: 9b866f07e6 am: bc42abaad7

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2305961

Change-Id: I6b4ff11894742c62f553dcc3c097d9565cb3b360
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>