106         let error = PlainBacktrace {  in test_backtrace()  localVariable
111         let error = ExplicitBacktrace {  in test_backtrace()  localVariable
116         let error = OptBacktrace {  in test_backtrace()  localVariable
121         let error = ArcBacktrace {  in test_backtrace()  localVariable
126         let error = BacktraceFrom::from(Inner);  in test_backtrace()  localVariable
129         let error = CombinedBacktraceFrom::from(InnerBacktrace {  in test_backtrace()  localVariable
134         let error = OptBacktraceFrom::from(Inner);  in test_backtrace()  localVariable
137         let error = ArcBacktraceFrom::from(Inner);  in test_backtrace()  localVariable
140         let error = AnyhowBacktrace {  in test_backtrace()  localVariable
145         let error = BoxDynErrorBacktrace {  in test_backtrace()  localVariable
259         let error = PlainBacktrace::Test {  in test_backtrace()  localVariable
264         let error = ExplicitBacktrace::Test {  in test_backtrace()  localVariable
269         let error = OptBacktrace::Test {  in test_backtrace()  localVariable
274         let error = ArcBacktrace::Test {  in test_backtrace()  localVariable
279         let error = BacktraceFrom::from(Inner);  in test_backtrace()  localVariable
282         let error = CombinedBacktraceFrom::from(InnerBacktrace {  in test_backtrace()  localVariable
287         let error = OptBacktraceFrom::from(Inner);  in test_backtrace()  localVariable
290         let error = ArcBacktraceFrom::from(Inner);  in test_backtrace()  localVariable