fix RUST_LOG, hopefully for real this time

src/librustc/dep_graph/thread.rs

@@ -118,8 +118,6 @@ impl DepGraphThreadData {
     /// the buffer is full, this may swap.)
     #[inline]
     pub fn enqueue(&self, message: DepMessage) {
-        debug!("enqueue: {:?} tasks_pushed={}", message, self.tasks_pushed.get());
-
         // Regardless of whether dep graph construction is enabled, we
         // still want to check that we always have a valid task on the
         // stack when a read/write/etc event occurs.

src/librustc_metadata/encoder.rs

@@ -1351,6 +1351,7 @@ fn my_visit_expr(expr: &hir::Expr,
 
             rbml_w.start_tag(tag_items_data_item);
             encode_def_id_and_key(ecx, rbml_w, def_id);
+            encode_name(rbml_w, syntax::parse::token::intern("<closure>"));
 
             rbml_w.start_tag(tag_items_closure_ty);
             write_closure_type(ecx, rbml_w, &ecx.tcx.tables.borrow().closure_tys[&def_id]);

src/librustc_trans/monomorphize.rs

@@ -169,8 +169,7 @@ pub struct Instance<'tcx> {
 
 impl<'tcx> fmt::Display for Instance<'tcx> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        ppaux::parameterized(f, &self.substs, self.def, ppaux::Ns::Value, &[],
-                             |tcx| Some(tcx.lookup_item_type(self.def).generics))
+        ppaux::parameterized(f, &self.substs, self.def, ppaux::Ns::Value, &[], |_| None)
     }
 }