$DIR/backtrace-api-v1.rs:13:144 (func_d)
$DIR/backtrace-api-v1.rs:12:50 (func_c)
$DIR/backtrace-api-v1.rs:6:53 (func_b)
$DIR/backtrace-api-v1.rs:5:50 (func_a)
$DIR/backtrace-api-v1.rs:17:18 (main)
RUSTLIB/core/src/ops/function.rs:LL:COL (<fn() as std::ops::FnOnce<()>>::call_once - shim(fn()))
RUSTLIB/std/src/sys_common/backtrace.rs:LL:COL (std::sys_common::backtrace::__rust_begin_short_backtrace)
RUSTLIB/std/src/rt.rs:LL:COL (std::rt::lang_start::{closure#0})
RUSTLIB/core/src/ops/function.rs:LL:COL (std::ops::function::impls::call_once)
RUSTLIB/std/src/panicking.rs:LL:COL (std::panicking::r#try::do_call)
RUSTLIB/std/src/panicking.rs:LL:COL (std::panicking::r#try)
RUSTLIB/std/src/panic.rs:LL:COL (std::panic::catch_unwind)
RUSTLIB/std/src/rt.rs:LL:COL (std::rt::lang_start_internal::{closure#2})
RUSTLIB/std/src/panicking.rs:LL:COL (std::panicking::r#try::do_call)
RUSTLIB/std/src/panicking.rs:LL:COL (std::panicking::r#try)
RUSTLIB/std/src/panic.rs:LL:COL (std::panic::catch_unwind)
RUSTLIB/std/src/rt.rs:LL:COL (std::rt::lang_start_internal)
RUSTLIB/std/src/rt.rs:LL:COL (std::rt::lang_start)