diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_trait_selection/src/traits/fulfill.rs | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index d61166437d7..6663ff6bbe9 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -131,8 +131,6 @@ impl<'a, 'tcx> FulfillmentContext<'tcx> { let span = debug_span!("select", obligation_forest_size = ?self.predicates.len()); let _enter = span.enter(); - let mut errors = Vec::new(); - // Process pending obligations. let outcome: Outcome<_, _> = self.predicates.process_obligations(&mut FulfillProcessor { selcx, @@ -142,7 +140,8 @@ impl<'a, 'tcx> FulfillmentContext<'tcx> { // FIXME: if we kept the original cache key, we could mark projection // obligations as complete for the projection cache here. - errors.extend(outcome.errors.into_iter().map(to_fulfillment_error)); + let errors: Vec<FulfillmentError<'tcx>> = + outcome.errors.into_iter().map(to_fulfillment_error).collect(); debug!( "select({} predicates remaining, {} errors) done", @@ -728,7 +727,7 @@ impl<'a, 'b, 'tcx> FulfillProcessor<'a, 'b, 'tcx> { } return ProcessResult::Changed(vec![]); } else { - tracing::debug!("Does NOT hold: {:?}", obligation); + debug!("Does NOT hold: {:?}", obligation); } } |