1 files changed, 12 insertions, 16 deletions

diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs
index 49730b532a3..de1d4ef15ac 100644
--- a/compiler/rustc_trait_selection/src/traits/engine.rs
+++ b/compiler/rustc_trait_selection/src/traits/engine.rs
@@ -1,16 +1,6 @@
 use std::cell::RefCell;
 use std::fmt::Debug;
 
-use super::{FromSolverError, TraitEngine};
-use super::{FulfillmentContext, ScrubbedTraitError};
-use crate::error_reporting::InferCtxtErrorExt;
-use crate::regions::InferCtxtRegionExt;
-use crate::solve::FulfillmentCtxt as NextFulfillmentCtxt;
-use crate::solve::NextSolverError;
-use crate::traits::fulfill::OldSolverError;
-use crate::traits::NormalizeExt;
-use crate::traits::StructurallyNormalizeExt;
-use crate::traits::{FulfillmentError, Obligation, ObligationCause, PredicateObligation};
 use rustc_data_structures::fx::FxIndexSet;
 use rustc_errors::ErrorGuaranteed;
 use rustc_hir::def_id::{DefId, LocalDefId};
@@ -19,16 +9,22 @@ use rustc_infer::infer::canonical::{
     Canonical, CanonicalQueryResponse, CanonicalVarValues, QueryResponse,
 };
 use rustc_infer::infer::outlives::env::OutlivesEnvironment;
-use rustc_infer::infer::RegionResolutionError;
-use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk};
+use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk, RegionResolutionError};
 use rustc_macros::extension;
 use rustc_middle::arena::ArenaAllocatable;
 use rustc_middle::traits::query::NoSolution;
 use rustc_middle::ty::error::TypeError;
-use rustc_middle::ty::TypeFoldable;
-use rustc_middle::ty::Upcast;
-use rustc_middle::ty::Variance;
-use rustc_middle::ty::{self, Ty, TyCtxt};
+use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, Upcast, Variance};
+
+use super::{FromSolverError, FulfillmentContext, ScrubbedTraitError, TraitEngine};
+use crate::error_reporting::InferCtxtErrorExt;
+use crate::regions::InferCtxtRegionExt;
+use crate::solve::{FulfillmentCtxt as NextFulfillmentCtxt, NextSolverError};
+use crate::traits::fulfill::OldSolverError;
+use crate::traits::{
+    FulfillmentError, NormalizeExt, Obligation, ObligationCause, PredicateObligation,
+    StructurallyNormalizeExt,
+};
 
 #[extension(pub trait TraitEngineExt<'tcx, E>)]
 impl<'tcx, E> dyn TraitEngine<'tcx, E>