downgrade some logging

src/librustdoc/clean/blanket_impl.rs

@@ -17,7 +17,7 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> {
         let param_env = self.cx.tcx.param_env(item_def_id);
         let ty = self.cx.tcx.type_of(item_def_id);
 
-        debug!("get_blanket_impls({:?})", ty);
+        trace!("get_blanket_impls({:?})", ty);
         let mut impls = Vec::new();
         for &trait_def_id in self.cx.tcx.all_traits(()).iter() {
             if !self.cx.cache.access_levels.is_public(trait_def_id)
@@ -28,9 +28,10 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> {
             // NOTE: doesn't use `for_each_relevant_impl` to avoid looking at anything besides blanket impls
             let trait_impls = self.cx.tcx.trait_impls_of(trait_def_id);
             for &impl_def_id in trait_impls.blanket_impls() {
-                debug!(
+                trace!(
                     "get_blanket_impls: Considering impl for trait '{:?}' {:?}",
-                    trait_def_id, impl_def_id
+                    trait_def_id,
+                    impl_def_id
                 );
                 let trait_ref = self.cx.tcx.impl_trait_ref(impl_def_id).unwrap();
                 let is_param = matches!(trait_ref.self_ty().kind(), ty::Param(_));
@@ -50,9 +51,11 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> {
                         // FIXME(eddyb) ignoring `obligations` might cause false positives.
                         drop(obligations);
 
-                        debug!(
+                        trace!(
                             "invoking predicate_may_hold: param_env={:?}, trait_ref={:?}, ty={:?}",
-                            param_env, trait_ref, ty
+                            param_env,
+                            trait_ref,
+                            ty
                         );
                         let predicates = self
                             .cx

src/librustdoc/clean/inline.rs

@@ -447,9 +447,9 @@ crate fn build_impl(
     }
 
     let (merged_attrs, cfg) = merge_attrs(cx, parent_module.into(), load_attrs(cx, did), attrs);
-    debug!("merged_attrs={:?}", merged_attrs);
+    trace!("merged_attrs={:?}", merged_attrs);
 
-    debug!("build_impl: impl {:?} for {:?}", trait_.def_id(), for_.def_id());
+    trace!("build_impl: impl {:?} for {:?}", trait_.def_id(), for_.def_id());
     ret.push(clean::Item::from_def_id_and_attrs_and_parts(
         did,
         None,

src/librustdoc/clean/mod.rs

@@ -1406,7 +1406,7 @@ fn normalize(cx: &mut DocContext<'tcx>, ty: Ty<'_>) -> Option<Ty<'tcx>> {
 
 impl<'tcx> Clean<Type> for Ty<'tcx> {
     fn clean(&self, cx: &mut DocContext<'_>) -> Type {
-        debug!("cleaning type: {:?}", self);
+        trace!("cleaning type: {:?}", self);
         let ty = normalize(cx, self).unwrap_or(self);
         match *ty.kind() {
             ty::Never => Never,

src/librustdoc/html/format.rs

@@ -742,7 +742,7 @@ fn fmt_type<'cx>(
     use_absolute: bool,
     cx: &'cx Context<'_>,
 ) -> fmt::Result {
-    debug!("fmt_type(t = {:?})", t);
+    trace!("fmt_type(t = {:?})", t);
 
     match *t {
         clean::Generic(name) => write!(f, "{}", name),