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-rw-r--r--compiler/rustc_trait_selection/src/infer.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_trait_selection/src/infer.rs b/compiler/rustc_trait_selection/src/infer.rs
index c22925b73e3..f232a896f96 100644
--- a/compiler/rustc_trait_selection/src/infer.rs
+++ b/compiler/rustc_trait_selection/src/infer.rs
@@ -9,6 +9,7 @@ use rustc_middle::infer::canonical::{Canonical, CanonicalQueryResponse, QueryRes
 use rustc_middle::traits::query::NoSolution;
 use rustc_middle::ty::{self, GenericArg, Ty, TyCtxt, TypeFoldable, TypeVisitableExt, Upcast};
 use rustc_span::DUMMY_SP;
+use tracing::instrument;
 
 use crate::infer::at::ToTrace;
 use crate::traits::query::evaluate_obligation::InferCtxtExt as _;