diff --git a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs
index e22b352e7400..15a7d72edf12 100644
--- a/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs
+++ b/src/tools/miri/src/borrow_tracker/stacked_borrows/mod.rs
@@ -996,7 +996,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
 
     /// Protect a place so that it cannot be used any more for the duration of the current function
     /// call.
-    /// 
+    ///
     /// This is used to ensure soundness of in-place function argument/return passing.
     fn sb_protect_place(&mut self, place: &MPlaceTy<'tcx, Provenance>) -> InterpResult<'tcx> {
         let this = self.eval_context_mut();
diff --git a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs
index 274a4a0aaba1..2afd45829bd8 100644
--- a/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs
+++ b/src/tools/miri/src/borrow_tracker/tree_borrows/mod.rs
@@ -497,7 +497,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
 
     /// Protect a place so that it cannot be used any more for the duration of the current function
     /// call.
-    /// 
+    ///
     /// This is used to ensure soundness of in-place function argument/return passing.
     fn tb_protect_place(&mut self, place: &MPlaceTy<'tcx, Provenance>) -> InterpResult<'tcx> {
         let this = self.eval_context_mut();
diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs
index 4a093d7bcc6b..5327c2f24e06 100644
--- a/src/tools/miri/src/lib.rs
+++ b/src/tools/miri/src/lib.rs
@@ -43,19 +43,20 @@
 // Needed for rustdoc from bootstrap (with `-Znormalize-docs`).
 #![recursion_limit = "256"]
 
+extern crate either; // the one from rustc
+
 extern crate rustc_apfloat;
 extern crate rustc_ast;
-extern crate rustc_errors;
-#[macro_use]
-extern crate rustc_middle;
 extern crate rustc_const_eval;
 extern crate rustc_data_structures;
+extern crate rustc_errors;
 extern crate rustc_hir;
 extern crate rustc_index;
+#[macro_use]
+extern crate rustc_middle;
 extern crate rustc_session;
 extern crate rustc_span;
 extern crate rustc_target;
-extern crate either; // the one from rustc
 
 // Necessary to pull in object code as the rest of the rustc crates are shipped only as rmeta
 // files.
diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs
index 5510e3f94b75..f3ac8ebc9cad 100644
--- a/src/tools/miri/src/machine.rs
+++ b/src/tools/miri/src/machine.rs
@@ -1097,9 +1097,8 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> {
         ptr: Pointer<Self::Provenance>,
     ) -> InterpResult<'tcx> {
         match ptr.provenance {
-            Provenance::Concrete { alloc_id, tag } => {
-                intptrcast::GlobalStateInner::expose_ptr(ecx, alloc_id, tag)
-            }
+            Provenance::Concrete { alloc_id, tag } =>
+                intptrcast::GlobalStateInner::expose_ptr(ecx, alloc_id, tag),
             Provenance::Wildcard => {
                 // No need to do anything for wildcard pointers as
                 // their provenances have already been previously exposed.