Reduce log level used by tracing instrumentation from info to debug

compiler/rustc_mir/src/interpret/intern.rs

@@ -292,7 +292,7 @@ pub enum InternKind {
 /// tracks where in the value we are and thus can show much better error messages.
 /// Any errors here would anyway be turned into `const_err` lints, whereas validation failures
 /// are hard errors.
-#[tracing::instrument(skip(ecx))]
+#[tracing::instrument(level = "debug", skip(ecx))]
 pub fn intern_const_alloc_recursive<M: CompileTimeMachine<'mir, 'tcx, const_eval::MemoryKind>>(
     ecx: &mut InterpCx<'mir, 'tcx, M>,
     intern_kind: InternKind,

compiler/rustc_mir/src/transform/check_consts/validation.rs

@@ -789,7 +789,7 @@ impl Visitor<'tcx> for Validator<'mir, 'tcx> {
         }
     }
 
-    #[instrument(skip(self))]
+    #[instrument(level = "debug", skip(self))]
     fn visit_terminator(&mut self, terminator: &Terminator<'tcx>, location: Location) {
         use rustc_target::spec::abi::Abi::RustIntrinsic;