- `poudriere bulk -t` is green on 10.3 i386/amd64, 11.0 i386/amd64, 12.0 amd64
```lang=rust
fn main() {
panic!();
}
```
before:
```
$ rustc test.rs
$ RUST_BACKTRACE=1 ./test
thread 'main' panicked at 'explicit panic', test.rs:2
stack backtrace:
0: <unknown>
1: <unknown>
2: <unknown>
3: <unknown>
4: <unknown>
5: <unknown>
6: <unknown>
7: <unknown>
8: <unknown>
9: <unknown>
10: <unknown>
```
after:
```
$ rustc test.rs
$ RUST_BACKTRACE=1 ./test
thread 'main' panicked at 'explicit panic', test.rs:2
stack backtrace:
0: std::sys::imp::backtrace::tracing::imp::unwind_backtrace
1: std::sys_common::backtrace::_print
2: std::panicking::default_hook::{{closure}}
3: std::panicking::default_hook
4: std::panicking::rust_panic_with_hook
5: std::panicking::begin_panic
6: a::main
7: __rust_maybe_catch_panic
at /usr/ports/lang/rust/work/rustc-1.18.0-src/src/libpanic_unwind/lib.rs:98
8: std::rt::lang_start
9: main
10: _start
at /usr/src/lib/csu/amd64/crt1.c:72
```