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tokio-rs
Using tracing in Drop in threadlocals may cause some panic.
Hi. my original bug is here: https://github.com/smol-rs/polling/issues/231,
Scenario:
- We have threadlocal object with Drop calling
tracing::span - program leaves
mainand all threadlocal stuff start to Drop - threadlocal
registryor idk drops earlier thanpolling, that wants to call tracing::span - get tons of panics
panic thread 'main' panicked at 'Thread count overflowed the configured max count. Thread index = 18446744073709551615, max threads = 4096.': /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/sharded-slab-0.1.7/src/shard.rs:295 0: ss_common::setup::panic_log::panic_hook
at ./crates/lib/ss_common/src/setup/panic_log.rs:43:21
1: core::ops::function::Fn::call
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:79:5
2: <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/alloc/src/boxed.rs:1984:9
3: std::panicking::rust_panic_with_hook
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/std/src/panicking.rs:841:13
4: std::panicking::begin_panic_handler::{{closure}}
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/std/src/panicking.rs:706:13
5: std::sys::backtrace::__rust_end_short_backtrace
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/std/src/sys/backtrace.rs:168:18
6: __rustc::rust_begin_unwind
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/std/src/panicking.rs:697:5
7: core::panicking::panic_fmt
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/core/src/panicking.rs:75:14
8: sharded_slab::shard::Array<T,C>::current
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/sharded-slab-0.1.7/src/shard.rs:295:9
9: sharded_slab::pool::Pool<T,C>::create
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/sharded-slab-0.1.7/src/pool.rs:452:28
10: sharded_slab::pool::Pool<T,C>::create_with
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/sharded-slab-0.1.7/src/pool.rs:656:25
11: <tracing_subscriber::registry::sharded::Registry as tracing_core::subscriber::Subscriber>::new_span
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.3.19/src/registry/sharded.rs:246:18
12: <tracing_subscriber::layer::layered::Layered<L,S> as tracing_core::subscriber::Subscriber>::new_span
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.3.19/src/layer/layered.rs:126:18
13: <tracing_subscriber::layer::layered::Layered<L,S> as tracing_core::subscriber::Subscriber>::new_span
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.3.19/src/layer/layered.rs:126:18
14: <tracing_subscriber::layer::layered::Layered<L,S> as tracing_core::subscriber::Subscriber>::new_span
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.3.19/src/layer/layered.rs:126:18
15: tracing_core::dispatcher::Dispatch::new_span
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.33/src/dispatcher.rs:559:9
16: tracing::span::Span::make_with
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.41/src/span.rs:569:18
17: tracing::span::Span::new_with
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.41/src/span.rs:448:9
18: tracing::span::Span::new::{{closure}}
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.41/src/span.rs:437:44
19: tracing_core::dispatcher::get_default
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.33/src/dispatcher.rs:389:16
20: tracing::span::Span::new
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-0.1.41/src/span.rs:437:9
21: polling::epoll::Poller::delete
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/polling-3.7.4/src/epoll.rs:145:20
22: polling::Poller::delete
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/polling-3.7.4/src/lib.rs:689:9
23: <calloop::sources::generic::Generic<F,E> as core::ops::drop::Drop>::drop
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/calloop-0.13.0/src/sources/generic.rs:254:13
24: core::ptr::drop_in_place<calloop::sources::generic::Generic<std::os::fd::owned::BorrowedFd>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
25: core::ptr::drop_in_place<calloop::sources::DispatcherInner<calloop::sources::generic::Generic<std::os::fd::owned::BorrowedFd>,winit::platform_impl::linux::x11::EventLoop<eframe::native::winit_integration::UserEvent>::new::{{closure}}>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
26: core::ptr::drop_in_place<core::cell::UnsafeCell<calloop::sources::DispatcherInner<calloop::sources::generic::Generic<std::os::fd::owned::BorrowedFd>,winit::platform_impl::linux::x11::EventLoop<eframe::native::winit_integration::UserEvent>::new::{{closure}}>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
27: core::ptr::drop_in_place<core::cell::RefCell<calloop::sources::DispatcherInner<calloop::sources::generic::Generic<std::os::fd::owned::BorrowedFd>,winit::platform_impl::linux::x11::EventLoop<eframe::native::winit_integration::UserEvent>::new::{{closure}}>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
28: core::ptr::drop_in_place<dyn calloop::sources::EventDispatcher<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
29: alloc::rc::Rc<T,A>::drop_slow
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/rc.rs:388:13
30: <alloc::rc::Rc<T,A> as core::ops::drop::Drop>::drop
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/rc.rs:2312:17
31: core::ptr::drop_in_place<alloc::rc::Rc<dyn calloop::sources::EventDispatcher<winit::platform_impl::linux::x11::EventLoopState>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
32: core::ptr::drop_in_place<core::option::Option<alloc::rc::Rc<dyn calloop::sources::EventDispatcher<winit::platform_impl::linux::x11::EventLoopState>>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
33: core::ptr::drop_in_place<calloop::list::SourceEntry<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
34: core::ptr::drop_in_place<[calloop::list::SourceEntry<winit::platform_impl::linux::x11::EventLoopState>]>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
35: <alloc::vec::Vec<T,A> as core::ops::drop::Drop>::drop
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs:3798:13
36: core::ptr::drop_in_place<alloc::vec::Vec<calloop::list::SourceEntry<winit::platform_impl::linux::x11::EventLoopState>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
37: core::ptr::drop_in_place<calloop::list::SourceList<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
38: core::ptr::drop_in_place<core::cell::UnsafeCell<calloop::list::SourceList<winit::platform_impl::linux::x11::EventLoopState>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
39: core::ptr::drop_in_place<core::cell::RefCell<calloop::list::SourceList<winit::platform_impl::linux::x11::EventLoopState>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
40: core::ptr::drop_in_place<calloop::loop_logic::LoopInner<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
41: alloc::rc::Rc<T,A>::drop_slow
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/rc.rs:388:13
42: <alloc::rc::Rc<T,A> as core::ops::drop::Drop>::drop
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/rc.rs:2312:17
43: core::ptr::drop_in_place<alloc::rc::Rc<calloop::loop_logic::LoopInner<winit::platform_impl::linux::x11::EventLoopState>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
44: core::ptr::drop_in_place<calloop::loop_logic::LoopHandle<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
45: core::ptr::drop_in_place<calloop::loop_logic::EventLoop<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
46: core::ptr::drop_in_place<winit::platform_impl::linux::x11::EventLoop<eframe::native::winit_integration::UserEvent>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
47: core::ptr::drop_in_place<winit::platform_impl::linux::EventLoop<eframe::native::winit_integration::UserEvent>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
48: core::ptr::drop_in_place<winit::event_loop::EventLoop<eframe::native::winit_integration::UserEvent>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
49: core::ptr::drop_in_place<core::option::Option<winit::event_loop::EventLoop<eframe::native::winit_integration::UserEvent>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
50: core::ptr::drop_in_place<core::cell::UnsafeCell<core::option::Option<winit::event_loop::EventLoop<eframe::native::winit_integration::UserEvent>>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
51: core::ptr::drop_in_place<core::cell::RefCell<core::option::Option<winit::event_loop::EventLoop<eframe::native::winit_integration::UserEvent>>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
52: std::sys::thread_local::native::eager::destroy::{{closure}}
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/thread_local/native/eager.rs:70:13
53: std::sys::thread_local::abort_on_dtor_unwind
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/thread_local/mod.rs:187:5
54: std::sys::thread_local::native::eager::destroy
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/thread_local/native/eager.rs:64:5
55: __call_tls_dtors
56: <unknown>
57: exit
58: <unknown>
59: __libc_start_main
60: _start
panic thread 'main' panicked at 'panic in a destructor during cleanup': library/core/src/panicking.rs:226 0: ss_common::setup::panic_log::panic_hook
at ./crates/lib/ss_common/src/setup/panic_log.rs:43:21
1: core::ops::function::Fn::call
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ops/function.rs:79:5
2: <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/alloc/src/boxed.rs:1984:9
3: std::panicking::rust_panic_with_hook
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/std/src/panicking.rs:841:13
4: std::panicking::begin_panic_handler::{{closure}}
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/std/src/panicking.rs:699:13
5: std::sys::backtrace::__rust_end_short_backtrace
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/std/src/sys/backtrace.rs:168:18
6: __rustc::rust_begin_unwind
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/std/src/panicking.rs:697:5
7: core::panicking::panic_nounwind_fmt::runtime
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/core/src/panicking.rs:117:22
8: core::panicking::panic_nounwind_fmt
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/core/src/intrinsics/mod.rs:3240:9
9: core::panicking::panic_nounwind_nobacktrace
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/core/src/panicking.rs:226:5
10: core::panicking::panic_in_cleanup
at /rustc/be73c1f4617c97bce81b2694a767353300a75072/library/core/src/panicking.rs:339:5
11: <calloop::sources::generic::Generic<F,E> as core::ops::drop::Drop>::drop
at /home/sc/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/calloop-0.13.0/src/sources/generic.rs:251:5
12: core::ptr::drop_in_place<calloop::sources::generic::Generic<calloop::sources::ping::eventfd::ArcAsFd>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
13: core::ptr::drop_in_place<calloop::sources::ping::eventfd::PingSource>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
14: core::ptr::drop_in_place<calloop::sources::DispatcherInner<calloop::sources::ping::eventfd::PingSource,winit::platform_impl::linux::x11::EventLoop<eframe::native::winit_integration::UserEvent>::new::{{closure}}>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
15: core::ptr::drop_in_place<core::cell::UnsafeCell<calloop::sources::DispatcherInner<calloop::sources::ping::eventfd::PingSource,winit::platform_impl::linux::x11::EventLoop<eframe::native::winit_integration::UserEvent>::new::{{closure}}>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
16: core::ptr::drop_in_place<core::cell::RefCell<calloop::sources::DispatcherInner<calloop::sources::ping::eventfd::PingSource,winit::platform_impl::linux::x11::EventLoop<eframe::native::winit_integration::UserEvent>::new::{{closure}}>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
17: core::ptr::drop_in_place<dyn calloop::sources::EventDispatcher<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
18: alloc::rc::Rc<T,A>::drop_slow
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/rc.rs:388:13
19: <alloc::rc::Rc<T,A> as core::ops::drop::Drop>::drop
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/rc.rs:2312:17
20: core::ptr::drop_in_place<alloc::rc::Rc<dyn calloop::sources::EventDispatcher<winit::platform_impl::linux::x11::EventLoopState>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
21: core::ptr::drop_in_place<core::option::Option<alloc::rc::Rc<dyn calloop::sources::EventDispatcher<winit::platform_impl::linux::x11::EventLoopState>>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
22: core::ptr::drop_in_place<calloop::list::SourceEntry<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
23: core::ptr::drop_in_place<[calloop::list::SourceEntry<winit::platform_impl::linux::x11::EventLoopState>]>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
24: <alloc::vec::Vec<T,A> as core::ops::drop::Drop>::drop
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/vec/mod.rs:3798:13
25: core::ptr::drop_in_place<alloc::vec::Vec<calloop::list::SourceEntry<winit::platform_impl::linux::x11::EventLoopState>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
26: core::ptr::drop_in_place<calloop::list::SourceList<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
27: core::ptr::drop_in_place<core::cell::UnsafeCell<calloop::list::SourceList<winit::platform_impl::linux::x11::EventLoopState>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
28: core::ptr::drop_in_place<core::cell::RefCell<calloop::list::SourceList<winit::platform_impl::linux::x11::EventLoopState>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
29: core::ptr::drop_in_place<calloop::loop_logic::LoopInner<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
30: alloc::rc::Rc<T,A>::drop_slow
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/rc.rs:388:13
31: <alloc::rc::Rc<T,A> as core::ops::drop::Drop>::drop
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/alloc/src/rc.rs:2312:17
32: core::ptr::drop_in_place<alloc::rc::Rc<calloop::loop_logic::LoopInner<winit::platform_impl::linux::x11::EventLoopState>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
33: core::ptr::drop_in_place<calloop::loop_logic::LoopHandle<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
34: core::ptr::drop_in_place<calloop::loop_logic::EventLoop<winit::platform_impl::linux::x11::EventLoopState>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
35: core::ptr::drop_in_place<winit::platform_impl::linux::x11::EventLoop<eframe::native::winit_integration::UserEvent>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
36: core::ptr::drop_in_place<winit::platform_impl::linux::EventLoop<eframe::native::winit_integration::UserEvent>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
37: core::ptr::drop_in_place<winit::event_loop::EventLoop<eframe::native::winit_integration::UserEvent>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
38: core::ptr::drop_in_place<core::option::Option<winit::event_loop::EventLoop<eframe::native::winit_integration::UserEvent>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
39: core::ptr::drop_in_place<core::cell::UnsafeCell<core::option::Option<winit::event_loop::EventLoop<eframe::native::winit_integration::UserEvent>>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
40: core::ptr::drop_in_place<core::cell::RefCell<core::option::Option<winit::event_loop::EventLoop<eframe::native::winit_integration::UserEvent>>>>
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/ptr/mod.rs:523:1
41: std::sys::thread_local::native::eager::destroy::{{closure}}
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/thread_local/native/eager.rs:70:13
42: std::sys::thread_local::abort_on_dtor_unwind
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/thread_local/mod.rs:187:5
43: std::sys::thread_local::native::eager::destroy
at /home/sc/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/sys/thread_local/native/eager.rs:64:5
44: __call_tls_dtors
45: <unknown>
46: exit
47: <unknown>
48: __libc_start_main
49: _start
thread caused non-unwinding panic. aborting.
fish: Job 1, 'cargo run' terminated by signal SIGABRT (Abort)
