unused imports

Author: beepster4096

src/helpers.rs

@@ -2,7 +2,6 @@ pub mod convert;
 
 use std::cmp;
 use std::iter;
-use std::mem;
 use std::num::NonZeroUsize;
 use std::time::Duration;
 

src/shims/unix/fs.rs

@@ -11,7 +11,6 @@ use std::time::SystemTime;
 use log::trace;
 
 use rustc_data_structures::fx::FxHashMap;
-use rustc_middle::ty::{self, layout::LayoutOf};
 use rustc_target::abi::{Align, Size};
 
 use crate::shims::os_str::bytes_to_os_str;

src/shims/windows/foreign_items.rs

@@ -1,7 +1,6 @@
 use std::iter;
 
 use rustc_span::Symbol;
-use rustc_target::abi::Size;
 use rustc_target::spec::abi::Abi;
 
 use crate::*;
@@ -10,8 +9,6 @@ use shims::windows::handle::{EvalContextExt as _, Handle, PseudoHandle};
 use shims::windows::sync::EvalContextExt as _;
 use shims::windows::thread::EvalContextExt as _;
 
-use smallvec::SmallVec;
-
 impl<'mir, 'tcx: 'mir> EvalContextExt<'mir, 'tcx> for crate::MiriInterpCx<'mir, 'tcx> {}
 pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
     fn emulate_foreign_item_by_name(