diff --git a/rust-version b/rust-version
index 71068bb941a..42aa6d8d76a 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-57bfb8096295150c06559da10adc5629e445a4ac
+f466f52c1bf8f2e4454e31c683a88625ad4b4033
diff --git a/src/eval.rs b/src/eval.rs
index 13396e845da..f4a8d176172 100644
--- a/src/eval.rs
+++ b/src/eval.rs
@@ -257,9 +257,8 @@ pub fn eval_main<'tcx>(tcx: TyCtxt<'tcx>, main_id: DefId, config: MiriConfig) {
                 trace!("-------------------");
                 trace!("Frame {}", i);
                 trace!("    return: {:?}", frame.return_place.map(|p| *p));
-                for (_i, _local) in frame.locals.iter().enumerate() {
-                    //trace!("    local {}: {:?}", i, local.value);
-                    //FIXME: enable this again when the LocalValue Debug impl is back
+                for (i, local) in frame.locals.iter().enumerate() {
+                    trace!("    local {}: {:?}", i, local.value);
                 }
             }
         }