Auto merge of #81350 - tmiasko:instrument-debug, r=lcnr

Reduce log level used by tracing instrumentation from info to debug

Restore log level to debug to avoid make info log level overly verbose (the uses of instrument attribute modified there, were for the most part a replacement for `debug!`;  one use was novel).

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

@@ -812,7 +812,7 @@ 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;