message: Remove commented out code, cleanup build warnings
diff: @@ -6,18 +6,14 @@ use std::cell::RefCell;
  use std::collections::HashMap;
  use std::error::Error;
  use std::ffi::CStr;
  -use std::ffi::CString;
  use std::fmt;
  use std::slice;
  -use std::str;
  use std::sync::Arc;
  -use std::{ffi::c_void, mem, ptr};
  +use std::{ffi::c_void, ptr};
  use wasmer_runtime::{Ctx, Global, ImportObject, Instance, Memory, Module, Table, Value};
  use wasmer_runtime_core::export::{Context, Export, FuncPointer};
  -use wasmer_runtime_core::import::{LikeNamespace, Namespace};
  -use wasmer_runtime_core::types::{
  - ElementType, FuncSig, GlobalDescriptor, MemoryDescriptor, TableDescriptor, Type,
  -};
  +use wasmer_runtime_core::import::Namespace;
  +use wasmer_runtime_core::types::{ElementType, FuncSig, MemoryDescriptor, TableDescriptor, Type};
  use wasmer_runtime_core::units::{Bytes, Pages};
  #[allow(non_camel_case_types)]
  @@ -841,7 +837,7 @@ pub unsafe extern "C" fn wasmer_func_call(
  update_last_error(CApiError {
  msg: "wasmer_func_call not yet implemented".to_string(),
  });
  - return wasmer_result_t::WASMER_ERROR;
  + wasmer_result_t::WASMER_ERROR
  // let result = instance.call(func_name_r, &params[..]);
  // Box::into_raw(export_func);
  // match result {
  @@ -876,15 +872,6 @@ pub unsafe extern "C" fn wasmer_func_call(
  // }
  }
  -///// Gets wasmer_export func
  -//#[no_mangle]
  -//pub unsafe extern "C" fn wasmer_export_name(export: *mut wasmer_export_t) {
  -// if exports.is_null() {
  -// return ptr::null_mut();
  -// }
  -// let named_export = &*(export as *mut NamedExport);
  -//}
  -
  /// Gets the memory within the context at the index `memory_idx`.
  /// The index is always 0 until multiple memories are supported.
  #[allow(clippy::cast_ptr_alignment)]
  