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-rw-r--r--compiler/rustc_trait_selection/src/traits/select/mod.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs
index f002fa27db2..91fe19c20f7 100644
--- a/compiler/rustc_trait_selection/src/traits/select/mod.rs
+++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs
@@ -31,6 +31,7 @@ use rustc_middle::ty::{
 };
 use rustc_span::symbol::sym;
 use rustc_span::Symbol;
+use tracing::{debug, instrument, trace};
 
 use self::EvaluationResult::*;
 use self::SelectionCandidate::*;