message: Fix unused import error on Windows.
diff: use std::collections::BTreeMap;
  -use std::ops::Bound::{Excluded, Included, Unbounded};
  +use std::ops::Bound::{Included, Unbounded};
  #[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
  pub struct RegisterIndex(pub usize);
  @@ -328,6 +328,7 @@ pub mod x64 {
  use crate::structures::TypedIndex;
  use crate::types::LocalGlobalIndex;
  use crate::vm::Ctx;
  + use std::ops::Bound::Excluded;
  pub fn new_machine_state() -> MachineState {
  MachineState {
  