2 at $DIR/backtrace-std.rs:18
4 at $DIR/backtrace-std.rs:17
6 at $DIR/backtrace-std.rs:11
8 at $DIR/backtrace-std.rs:10
10 at $DIR/backtrace-std.rs:21
11 5: <fn() as std::ops::FnOnce<()>>::call_once - shim(fn())
12 RUSTLIB/core/src/ops/function.rs:227
13 6: std::sys_common::backtrace::__rust_begin_short_backtrace
14 RUSTLIB/std/src/sys_common/backtrace.rs:125
15 7: std::rt::lang_start::{closure#0}
16 RUSTLIB/std/src/rt.rs:66
17 8: std::ops::function::impls::call_once
18 RUSTLIB/core/src/ops/function.rs:259
19 9: std::panicking::r#try::do_call
20 RUSTLIB/std/src/panicking.rs:381
21 10: std::panicking::r#try
22 RUSTLIB/std/src/panicking.rs:345
23 11: std::panic::catch_unwind
24 RUSTLIB/std/src/panic.rs:382
25 12: std::rt::lang_start_internal
26 RUSTLIB/std/src/rt.rs:51
27 13: std::rt::lang_start
28 RUSTLIB/std/src/rt.rs:65