message: Remove unused import (dependent on feature flags)
diff: use std::collections::BTreeSet;
  #[cfg(not(feature = "js"))]
  use wasmer::vm::VMSharedMemory;
  -use wasmer::{AsStoreMut, Imports, Memory, Module};
  +use wasmer::{AsStoreMut, Imports, Module};
  use wasmer_wasi_types::wasi::Errno;
  #[allow(dead_code)]
  @@ -75,7 +75,7 @@ pub fn wasi_import_shared_memory(
  imports.define(
  "env",
  "memory",
  - Memory::new_from_existing(store, memory.into()),
  + wasmer::Memory::new_from_existing(store, memory.into()),
  );
  }
  };
  