diff --git a/src/tools/miri/src/provenance_gc.rs b/src/tools/miri/src/provenance_gc.rs
index b5106c22740..ab178f82d9f 100644
--- a/src/tools/miri/src/provenance_gc.rs
+++ b/src/tools/miri/src/provenance_gc.rs
@@ -194,10 +194,7 @@ fn remove_unreachable_tags(&mut self, tags: FxHashSet<BorTag>) {
 
     fn remove_unreachable_allocs(&mut self, allocs: FxHashSet<AllocId>) {
         let this = self.eval_context_mut();
-        let allocs = LiveAllocs {
-            ecx: this,
-            collected: allocs,
-        };
+        let allocs = LiveAllocs { ecx: this, collected: allocs };
         this.machine.allocation_spans.borrow_mut().retain(|id, _| allocs.is_live(*id));
         this.machine.intptrcast.borrow_mut().remove_unreachable_allocs(&allocs);
         if let Some(borrow_tracker) = &this.machine.borrow_tracker {