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July 29, 2017 14:18
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| 16425 - end16366:DEBUG:rustc::traits::select: evaluate_obligation_conservatively(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1)) | |
| 16367:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1)) | |
| 16368:DEBUG:rustc::traits::select: evaluate_trait_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1)) | |
| 16369:DEBUG:rustc::traits::select: evaluate_trait_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1)) - in global | |
| 16370:DEBUG:rustc::traits::select: candidate_from_obligation(cache_fresh_trait_pred=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)), obligation=TraitObligationStack(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1))) | |
| 16371:DEBUG:rustc::traits::select: CACHE HIT: SELECT(Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)))=Ok(Some(ImplCandidate(DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }))) | |
| 16372:DEBUG:rustc::traits::select: evaluate_candidate: depth=1 candidate=ImplCandidate(DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }) | |
| 16373:DEBUG:rustc::traits::select: confirm_candidate(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1), ImplCandidate(DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] })) | |
| 16374:DEBUG:rustc::traits::select: confirm_impl_candidate(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1),DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }) | |
| 16375:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=<futures::stream::Iter<_> as futures::Stream>) | |
| 16376:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=<futures::stream::Iter<_> as futures::Stream> with 0 obligations | |
| 16377:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16378:DEBUG:rustc::traits::select: match_impl(impl_def_id=DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }, obligation=Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1), impl_trait_ref=Normalized(<futures::stream::Iter<_> as futures::Stream>,[]), skol_obligation_trait_ref=<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>) | |
| 16379:DEBUG:rustc::traits::select: match_impl: success impl_substs=Slice([_, _, _]) | |
| 16380:DEBUG:rustc::traits::select: confirm_impl_candidate substs=Normalized(Slice([_, _, _]),[]) | |
| 16381:DEBUG:rustc::traits::select: vtable_impl(impl_def_id=DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }, substs=Normalized(Slice([_, _, _]),[]), recursion_depth=2, skol_map={}) | |
| 16382:DEBUG:rustc::traits::select: impl_or_trait_obligations(def_id=DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }) | |
| 16383:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([_]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, std::result::Result<_, _>))) | |
| 16384:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, std::result::Result<_, _>)) with 0 obligations | |
| 16385:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16386:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=Binder(TraitPredicate(<_ as std::marker::Sized>))) | |
| 16387:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=Binder(TraitPredicate(<_ as std::marker::Sized>)) with 0 obligations | |
| 16388:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16389:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=Binder(TraitPredicate(<_ as std::marker::Sized>))) | |
| 16390:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=Binder(TraitPredicate(<_ as std::marker::Sized>)) with 0 obligations | |
| 16391:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16392:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=Binder(TraitPredicate(<_ as std::iter::Iterator>))) | |
| 16393:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::iter::Iterator>)) with 0 obligations | |
| 16394:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16395:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=Binder(TraitPredicate(<_ as std::marker::Sized>))) | |
| 16396:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::marker::Sized>)) with 0 obligations | |
| 16397:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16398:DEBUG:rustc::traits::select: vtable_impl: impl_def_id=DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] } impl_obligations=[Obligation(predicate=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, std::result::Result<_, _>)),depth=2), Obligation(predicate=Binder(TraitPredicate(<_ as std::marker::Sized>)),depth=2), Obligation(predicate=Binder(TraitPredicate(<_ as std::marker::Sized>)),depth=2), Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::iter::Iterator>)),depth=2), Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::marker::Sized>)),depth=2)] | |
| 16399:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, std::result::Result<_, _>)),depth=2)) | |
| 16400:DEBUG:rustc::traits::project: poly_project_and_unify_type(obligation=Obligation(predicate=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, std::result::Result<_, _>)),depth=2)) | |
| 16401:DEBUG:rustc::traits::project: project_and_unify_type(obligation=Obligation(predicate=ProjectionPredicate(ProjectionTy { substs: Slice([std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, std::result::Result<_, _>),depth=2)) | |
| 16402:DEBUG:rustc::traits::project: opt_normalize_projection_type(projection_ty=ProjectionTy { substs: Slice([std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, depth=2) | |
| 16403:DEBUG:rustc::traits::project: opt_normalize_projection_type: found normalized ty `_` | |
| 16404:DEBUG:rustc::traits::project: project_and_unify_type: normalized_ty=_ obligations=[] | |
| 16405:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, std::result::Result<_, _>)),depth=2)) = EvaluatedToOk | |
| 16406:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<_ as std::marker::Sized>)),depth=2)) | |
| 16407:DEBUG:rustc::traits::select: evaluate_trait_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<_ as std::marker::Sized>)),depth=2)) | |
| 16408:DEBUG:rustc::traits::select: CACHE HIT: EVAL(Binder(<i32 as std::marker::Sized>))=EvaluatedToOk | |
| 16409:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<_ as std::marker::Sized>)),depth=2)) = EvaluatedToOk | |
| 16410:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<_ as std::marker::Sized>)),depth=2)) | |
| 16411:DEBUG:rustc::traits::select: evaluate_trait_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<_ as std::marker::Sized>)),depth=2)) | |
| 16412:DEBUG:rustc::traits::select: CACHE HIT: EVAL(Binder(<FreshTy(2) as std::marker::Sized>))=EvaluatedToAmbig | |
| 16413:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<_ as std::marker::Sized>)),depth=2)) = EvaluatedToAmbig | |
| 16414:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::iter::Iterator>)),depth=2)) | |
| 16415:DEBUG:rustc::traits::select: evaluate_trait_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::iter::Iterator>)),depth=2)) | |
| 16416:DEBUG:rustc::traits::select: evaluate_trait_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::iter::Iterator>)),depth=2)) - in global | |
| 16417:DEBUG:rustc::traits::select: CACHE HIT: EVAL(Binder(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::iter::Iterator>))=EvaluatedToOk | |
| 16418:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::iter::Iterator>)),depth=2)) = EvaluatedToOk | |
| 16419:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::marker::Sized>)),depth=2)) | |
| 16420:DEBUG:rustc::traits::select: evaluate_trait_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::marker::Sized>)),depth=2)) | |
| 16421:DEBUG:rustc::traits::select: evaluate_trait_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::marker::Sized>)),depth=2)) - in global | |
| 16422:DEBUG:rustc::traits::select: CACHE HIT: EVAL(Binder(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::marker::Sized>))=EvaluatedToOk | |
| 16423:DEBUG:rustc::traits::select: evaluate_predicate_recursively(Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::marker::Sized>)),depth=2)) = EvaluatedToOk | |
| 16424:DEBUG:rustc::traits::select: evaluate_candidate: depth=1 result=EvaluatedToAmbig | |
| 16425:DEBUG:rustc::traits::select: CACHE MISS: EVAL(Binder(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>))=EvaluatedToAmbig | |
| 16426:DEBUG:rustc::traits::select: select(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1)) | |
| 16427:DEBUG:rustc::traits::select: candidate_from_obligation(cache_fresh_trait_pred=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)), obligation=TraitObligationStack(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1))) | |
| 16428:DEBUG:rustc::traits::select: CACHE HIT: SELECT(Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)))=Ok(Some(ImplCandidate(DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }))) | |
| 16429:DEBUG:rustc::traits::select: confirm_candidate(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1), ImplCandidate(DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] })) | |
| 16430:DEBUG:rustc::traits::select: confirm_impl_candidate(Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1),DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }) | |
| 16431:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=<futures::stream::Iter<_> as futures::Stream>) | |
| 16432:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=<futures::stream::Iter<_> as futures::Stream> with 0 obligations | |
| 16433:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16434:DEBUG:rustc::traits::select: match_impl(impl_def_id=DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }, obligation=Obligation(predicate=Binder(TraitPredicate(<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>)),depth=1), impl_trait_ref=Normalized(<futures::stream::Iter<_> as futures::Stream>,[]), skol_obligation_trait_ref=<futures::stream::Iter<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>> as futures::Stream>) | |
| 16435:DEBUG:rustc::traits::select: match_impl: success impl_substs=Slice([_, _, _]) | |
| 16436:DEBUG:rustc::traits::select: confirm_impl_candidate substs=Normalized(Slice([_, _, _]),[]) | |
| 16437:DEBUG:rustc::traits::select: vtable_impl(impl_def_id=DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }, substs=Normalized(Slice([_, _, _]),[]), recursion_depth=2, skol_map={}) | |
| 16438:DEBUG:rustc::traits::select: impl_or_trait_obligations(def_id=DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] }) | |
| 16439:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([_]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, std::result::Result<_, _>))) | |
| 16440:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, std::result::Result<_, _>)) with 0 obligations | |
| 16441:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16442:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=Binder(TraitPredicate(<_ as std::marker::Sized>))) | |
| 16443:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=Binder(TraitPredicate(<_ as std::marker::Sized>)) with 0 obligations | |
| 16444:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16445:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=Binder(TraitPredicate(<_ as std::marker::Sized>))) | |
| 16446:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=Binder(TraitPredicate(<_ as std::marker::Sized>)) with 0 obligations | |
| 16447:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16448:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=Binder(TraitPredicate(<_ as std::iter::Iterator>))) | |
| 16449:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::iter::Iterator>)) with 0 obligations | |
| 16450:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16451:DEBUG:rustc::traits::project: normalize_with_depth(depth=2, value=Binder(TraitPredicate(<_ as std::marker::Sized>))) | |
| 16452:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 result=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::marker::Sized>)) with 0 obligations | |
| 16453:DEBUG:rustc::traits::project: normalize_with_depth: depth=2 obligations=[] | |
| 16454:DEBUG:rustc::traits::select: vtable_impl: impl_def_id=DefId { krate: CrateNum(12), node: DefIndex(387) => futures/e56d6c7::stream[0]::iter[0]::{{impl}}[0] } impl_obligations=[Obligation(predicate=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}>]), item_def_id: DefId { krate: CrateNum(2), node: DefIndex(1577) => core/11f93f3::iter[0]::iterator[0]::Iterator[0]::Item[0] } }, std::result::Result<_, _>)),depth=2), Obligation(predicate=Binder(TraitPredicate(<_ as std::marker::Sized>)),depth=2), Obligation(predicate=Binder(TraitPredicate(<_ as std::marker::Sized>)),depth=2), Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::iter::Iterator>)),depth=2), Obligation(predicate=Binder(TraitPredicate(<std::iter::Map<std::iter::Cloned<std::slice::Iter<i32>>, fn(i32) -> std::result::Result<i32, ()> {std::result::Result<i32, ()>::Ok}> as std::marker::Sized>)),depth=2)] |
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