externcrate hypervisor;usehypervisor::*;fnmain(){// create a VM
create_vm();// create a virtual CPU
let vcpu =vCPU::new().unwrap();// run it
vcpu.run();// print time elapsed in nanoseconds
println!("vcpu execution time: {:?}ns", vcpu.exec_time().unwrap());// destroy the VM
vcpu.destory();// destroy the VM
destory_vm();}