BacktraceStatus is borked #100399

warning: Error finalizing incremental compilation session directory `/git/repro/target/debug/incremental/repro-23roub2a2ui7m/s-gchtf270bu-9k52gi-working`: No such file or directory (os error 2)

error: internal compiler error: no errors encountered even though `delay_span_bug` issued

error: internal compiler error: encountered unmarked API: DefId(1:10648 ~ std[0cb1]::backtrace::BacktraceStatus::Captured::{constructor#0})
 --> src/main.rs:2:13
  |
2 |     let _ = std::backtrace::BacktraceStatus::Captured;
  |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: delayed at compiler/rustc_middle/src/middle/stability.rs:603:27

thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1425:13
stack backtrace:
   0:     0x7f9cbef657e0 - std::backtrace_rs::backtrace::libunwind::trace::hea82fac2aae29b23
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   1:     0x7f9cbef657e0 - std::backtrace_rs::backtrace::trace_unsynchronized::h5517a70ae29c4a37
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f9cbef657e0 - std::sys_common::backtrace::_print_fmt::h15ae471bcdd82d93
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/sys_common/backtrace.rs:66:5
   3:     0x7f9cbef657e0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7e2315bde9966038
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/sys_common/backtrace.rs:45:22
   4:     0x7f9cbefc0cfc - core::fmt::write::h6c731326a8a30a57
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/core/src/fmt/mod.rs:1198:17
   5:     0x7f9cbef56935 - std::io::Write::write_fmt::h71584a2dd6c3063c
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/io/mod.rs:1672:15
   6:     0x7f9cbef684b1 - std::sys_common::backtrace::_print::h24f1c9f87e80a8e0
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/sys_common/backtrace.rs:48:5
   7:     0x7f9cbef684b1 - std::sys_common::backtrace::print::hf0c5754f46015782
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/sys_common/backtrace.rs:35:9
   8:     0x7f9cbef684b1 - std::panicking::default_hook::{{closure}}::h92f4071e73011988
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/panicking.rs:295:22
   9:     0x7f9cbef68183 - std::panicking::default_hook::h97b116f9b96b6bfa
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/panicking.rs:314:9
  10:     0x7f9cc17ea414 - rustc_driver[788d642ecae1365]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f9cbef68ce6 - std::panicking::rust_panic_with_hook::hd6e7d786bac2c17a
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/panicking.rs:702:17
  12:     0x7f9cc28b4b01 - std[cb15343d4403b06]::panicking::begin_panic::<rustc_errors[f53c5e75797f2c2c]::ExplicitBug>::{closure#0}
  13:     0x7f9cc28b48e6 - std[cb15343d4403b06]::sys_common::backtrace::__rust_end_short_backtrace::<std[cb15343d4403b06]::panicking::begin_panic<rustc_errors[f53c5e75797f2c2c]::ExplicitBug>::{closure#0}, !>
  14:     0x7f9cc28af0a6 - std[cb15343d4403b06]::panicking::begin_panic::<rustc_errors[f53c5e75797f2c2c]::ExplicitBug>
  15:     0x7f9cc28b1566 - std[cb15343d4403b06]::panic::panic_any::<rustc_errors[f53c5e75797f2c2c]::ExplicitBug>
  16:     0x7f9cc12f73e3 - <rustc_errors[f53c5e75797f2c2c]::HandlerInner as core[99438563fdc9f911]::ops::drop::Drop>::drop
  17:     0x7f9cc0fd1268 - core[99438563fdc9f911]::ptr::drop_in_place::<rustc_session[3e6e1c7aab68e7e]::parse::ParseSess>
  18:     0x7f9cc0fc74f3 - <alloc[44a602b2dcc58bae]::rc::Rc<rustc_session[3e6e1c7aab68e7e]::session::Session> as core[99438563fdc9f911]::ops::drop::Drop>::drop
  19:     0x7f9cc0fc64bd - core[99438563fdc9f911]::ptr::drop_in_place::<rustc_interface[a7fb64d19efedbd1]::interface::Compiler>
  20:     0x7f9cc0fc5ed9 - rustc_span[752667cdfed889fa]::with_source_map::<core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>, rustc_interface[a7fb64d19efedbd1]::interface::create_compiler_and_run<core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>, rustc_driver[788d642ecae1365]::run_compiler::{closure#1}>::{closure#1}>
  21:     0x7f9cc0fc56f0 - rustc_interface[a7fb64d19efedbd1]::interface::create_compiler_and_run::<core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>, rustc_driver[788d642ecae1365]::run_compiler::{closure#1}>
  22:     0x7f9cc0fc3a61 - <scoped_tls[e6c3a7675e4d4aef]::ScopedKey<rustc_span[752667cdfed889fa]::SessionGlobals>>::set::<rustc_interface[a7fb64d19efedbd1]::interface::run_compiler<core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>, rustc_driver[788d642ecae1365]::run_compiler::{closure#1}>::{closure#0}, core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>>
  23:     0x7f9cc0fc374f - std[cb15343d4403b06]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[a7fb64d19efedbd1]::util::run_in_thread_pool_with_globals<rustc_interface[a7fb64d19efedbd1]::interface::run_compiler<core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>, rustc_driver[788d642ecae1365]::run_compiler::{closure#1}>::{closure#0}, core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>>::{closure#0}, core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>>
  24:     0x7f9cc16119b9 - <<std[cb15343d4403b06]::thread::Builder>::spawn_unchecked_<rustc_interface[a7fb64d19efedbd1]::util::run_in_thread_pool_with_globals<rustc_interface[a7fb64d19efedbd1]::interface::run_compiler<core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>, rustc_driver[788d642ecae1365]::run_compiler::{closure#1}>::{closure#0}, core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>>::{closure#0}, core[99438563fdc9f911]::result::Result<(), rustc_errors[f53c5e75797f2c2c]::ErrorGuaranteed>>::{closure#1} as core[99438563fdc9f911]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  25:     0x7f9cbef72913 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb881e57abf2e61a2
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/alloc/src/boxed.rs:1935:9
  26:     0x7f9cbef72913 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hd53432c78099d0ef
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/alloc/src/boxed.rs:1935:9
  27:     0x7f9cbef72913 - std::sys::unix::thread::Thread::new::thread_start::hc7417f6a39490db3
                               at /rustc/29e4a9ee0253cd39e552a77f51f11f9a5f1c41e6/library/std/src/sys/unix/thread.rs:108:17
  28:     0x7f9cbecb1b43 - start_thread
                               at ./nptl/./nptl/pthread_create.c:442:8
  29:     0x7f9cbed43a00 - clone3
                               at ./misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
  30:                0x0 - <unknown>

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.65.0-nightly (29e4a9ee0 2022-08-10) running on x86_64-unknown-linux-gnu

note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 -C incremental

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
warning: `repro` (bin "repro") generated 1 warning
error: could not compile `repro`; 1 warning emitted