backtrace.txt

C:\Users\steve\tmp> ./foo
thread 'main' panicked at 'explicit panic', foo.rs:6:4
stack backtrace:
   0: std::sys_common::backtrace::_print
             at C:\projects\rust\src\libstd\sys_common\backtrace.rs:92
   1: std::panicking::default_hook::{{closure}}
             at C:\projects\rust\src\libstd\panicking.rs:380
   2: std::panicking::default_hook
             at C:\projects\rust\src\libstd\panicking.rs:397
   3: std::panicking::rust_panic_with_hook
             at C:\projects\rust\src\libstd\panicking.rs:577
   4: std::panicking::begin_panic<str*>
             at C:\projects\rust\src\libstd\panicking.rs:538
   5: foo::foo
             at .\foo.rs:6 <------------------------------------------------------------ here
   6: foo::main
             at .\foo.rs:2  <----- the thing that called this
   7: panic_unwind::__rust_maybe_catch_panic
             at C:\projects\rust\src\libpanic_unwind\lib.rs:99
   8: std::rt::lang_start
             at C:\projects\rust\src\libstd\rt.rs:52
   9: main
  10: __scrt_common_main_seh
             at f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253
  11: BaseThreadInitThunk

foo.rs

fn main() {
    foo();
}

fn foo() {
    panic!();
}