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WebRTC 0.11 triggers a panic with "no process-level CryptoProvider available -- call CryptoProvider::install_default() before this point" #567

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paultag opened this issue May 9, 2024 · 1 comment

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@paultag
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paultag commented May 9, 2024

WebRTC 0.10 works fine -- but when I've upgraded to 0.11, there's a crash due to the changed with the rusttls backend.

We worked around this by installing our own crypto backend; but I didn't see anything in the Examples about this, so I figured I'd open an issue that can be closed as "works as intended" if this is part of the new API

(for those at home, something like)

rustls::crypto::ring::default_provider().install_default().unwrap()
Backtrace

Specifically, from a spawned task, the WebRTC negotiation code crashes with no process-level CryptoProvider available -- call CryptoProvider::install_default() before this point. This happens right after the rtc ice connection state changed to connected, so perhaps part of the changed DTLS codepath.

thread 'tokio-runtime-worker' panicked at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustls-0.23.5/src/crypto/mod.rs:260:14:
no process-level CryptoProvider available -- call CryptoProvider::install_default() before this point
stack backtrace:
   0:     0x559b6886321c - std::backtrace_rs::backtrace::libunwind::trace::ha637c64ce894333a
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
   1:     0x559b6886321c - std::backtrace_rs::backtrace::trace_unsynchronized::h47f62dea28e0c88d
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x559b6886321c - std::sys_common::backtrace::_print_fmt::h9eef0abe20ede486
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:67:5
   3:     0x559b6886321c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hed7f999df88cc644
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x559b688919a0 - core::fmt::rt::Argument::fmt::h1539a9308b8d058d
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/rt.rs:142:9
   5:     0x559b688919a0 - core::fmt::write::h3a39390d8560d9c9
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/fmt/mod.rs:1120:17
   6:     0x559b6885fa0f - std::io::Write::write_fmt::h5fc9997dfe05f882
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/io/mod.rs:1762:15
   7:     0x559b68863004 - std::sys_common::backtrace::_print::h894006fb5c6f3d45
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x559b68863004 - std::sys_common::backtrace::print::h23a2d212c6fff936
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x559b688647b7 - std::panicking::default_hook::{{closure}}::h8a1d2ee00185001a
  10:     0x559b6886451f - std::panicking::default_hook::h6038f2eba384e475
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:292:9
  11:     0x559b68864c38 - std::panicking::rust_panic_with_hook::h2b5517d590cab22e
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:779:13
  12:     0x559b68864b1e - std::panicking::begin_panic_handler::{{closure}}::h233112c06e0ef43e
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:657:13
  13:     0x559b688636e6 - std::sys_common::backtrace::__rust_end_short_backtrace::h6e893f24d7ebbff8
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:170:18
  14:     0x559b68864882 - rust_begin_unwind
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:645:5
  15:     0x559b63e01ab5 - core::panicking::panic_fmt::hbf0e066aabfa482c
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:72:14
  16:     0x559b63e01a73 - core::panicking::panic_display::h68e6012a1c287ca5
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:178:5
  17:     0x559b63e01a73 - core::panicking::panic_str::h1ca8e3b0d2d70f80
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panicking.rs:152:5
  18:     0x559b63e01a73 - core::option::expect_failed::h1ae4bac6b7606972
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/option.rs:1985:5
  19:     0x559b681be6e2 - core::option::Option<T>::expect::h38f8a1a4978956ee
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/option.rs:894:21
  20:     0x559b681c388a - rustls::crypto::CryptoProvider::get_default_or_install_from_crate_features::hf5a6e4abd747d557
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustls-0.23.5/src/crypto/mod.rs:259:24
  21:     0x559b681b3e62 - rustls::webpki::server_verifier::WebPkiServerVerifier::builder::hc259cb972fedd45f
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustls-0.23.5/src/webpki/server_verifier.rs:140:24
  22:     0x559b67fc643b - webrtc_dtls::conn::DTLSConn::new::{{closure}}::hdd69d2e69859251c
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/webrtc-dtls-0.10.0/src/conn/mod.rs:240:35
  23:     0x559b64c391bb - webrtc::dtls_transport::RTCDtlsTransport::start::{{closure}}::h22f09ac156418457
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/webrtc-0.11.0/src/dtls_transport/mod.rs:386:18
  24:     0x559b64942b6a - webrtc::peer_connection::peer_connection_internal::PeerConnectionInternal::start_transports::{{closure}}::h4ce5cb37e5ae8a64
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/webrtc-0.11.0/src/peer_connection/peer_connection_internal.rs:633:14
  25:     0x559b640c0437 - webrtc::peer_connection::RTCPeerConnection::set_remote_description::{{closure}}::{{closure}}::{{closure}}::hfdd540c3ffab1dde
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/webrtc-0.11.0/src/peer_connection/mod.rs:1592:34
  26:     0x559b67b536d5 - <core::pin::Pin<P> as core::future::future::Future>::poll::hb35c4e13e40cfa30
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/future/future.rs:125:9
  27:     0x559b67a10e58 - webrtc::peer_connection::operation::Operations::start::{{closure}}::h877e7ea58af8400d
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/webrtc-0.11.0/src/peer_connection/operation/mod.rs:124:34
  28:     0x559b67a1075e - webrtc::peer_connection::operation::Operations::new::{{closure}}::h2ac205395a907aa2
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/webrtc-0.11.0/src/peer_connection/operation/mod.rs:57:60
  29:     0x559b6791f7c0 - <tokio::runtime::task::trace::Root<T> as core::future::future::Future>::poll::hb946ab4c0e99359a
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/trace/mod.rs:263:13
  30:     0x559b679698ce - <tracing::instrument::Instrumented<T> as core::future::future::Future>::poll::h1b6ebd4a66386c57
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tracing-0.1.40/src/instrument.rs:321:9
  31:     0x559b67a005dd - tokio::runtime::task::core::Core<T,S>::poll::{{closure}}::h0988cd53ded32eff
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/core.rs:328:17
  32:     0x559b679fe2d0 - tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut::hd5414b184521d8a2
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/loom/std/unsafe_cell.rs:16:9
  33:     0x559b679fe2d0 - tokio::runtime::task::core::Core<T,S>::poll::h6a8bbb2922e13b24
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/core.rs:317:13
  34:     0x559b67a42ae5 - tokio::runtime::task::harness::poll_future::{{closure}}::hf26daaf501694ee6
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/harness.rs:485:19
  35:     0x559b67939d17 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h214d3f50b077ba87
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
  36:     0x559b67a64959 - std::panicking::try::do_call::hd3199acd5dac717f
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
  37:     0x559b67a6c72b - __rust_try
  38:     0x559b67a5fa93 - std::panicking::try::ha22b26ace07dc261
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
  39:     0x559b6792534e - std::panic::catch_unwind::h1a55d12bf749fc99
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
  40:     0x559b67a3aaaf - tokio::runtime::task::harness::poll_future::h6623bb0c48c98e4b
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/harness.rs:473:18
  41:     0x559b67a466af - tokio::runtime::task::harness::Harness<T,S>::poll_inner::hcc94067f455b6b1e
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/harness.rs:208:27
  42:     0x559b67a4f127 - tokio::runtime::task::harness::Harness<T,S>::poll::ha852526b4e0a29dd
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/harness.rs:153:15
  43:     0x559b67a22770 - tokio::runtime::task::raw::poll::h8d2d3ec13d9cd349
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/raw.rs:271:5
  44:     0x559b68408b0b - tokio::runtime::task::raw::RawTask::poll::h73d32d4446e2dd0b
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/raw.rs:201:18
  45:     0x559b68464b15 - tokio::runtime::task::LocalNotified<S>::run::h5a10536433a50655
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/mod.rs:416:9
  46:     0x559b684b0831 - tokio::runtime::scheduler::multi_thread::worker::Context::run_task::{{closure}}::h9a62e58e2924d3c0
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/scheduler/multi_thread/worker.rs:639:17
  47:     0x559b684b0046 - tokio::runtime::coop::with_budget::h6479bf04f8351340
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/coop.rs:107:5
  48:     0x559b684b0046 - tokio::runtime::coop::budget::h3b62822ac84243c6
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/coop.rs:73:5
  49:     0x559b684b0046 - tokio::runtime::scheduler::multi_thread::worker::Context::run_task::h084d61f18404e43a
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/scheduler/multi_thread/worker.rs:575:9
  50:     0x559b684af6fb - tokio::runtime::scheduler::multi_thread::worker::Context::run::he9ba376a7167fa78
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/scheduler/multi_thread/worker.rs:526:24
  51:     0x559b684af354 - tokio::runtime::scheduler::multi_thread::worker::run::{{closure}}::{{closure}}::h98fcd03aed98926a
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/scheduler/multi_thread/worker.rs:491:21
  52:     0x559b684a6f3f - tokio::runtime::context::scoped::Scoped<T>::set::h37f57db6280827bc
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/context/scoped.rs:40:9
  53:     0x559b684903a1 - tokio::runtime::context::set_scheduler::{{closure}}::hf9b3be1f75f8f83c
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/context.rs:176:26
  54:     0x559b684634e2 - std::thread::local::LocalKey<T>::try_with::he5bf6cd8484478d2
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/local.rs:270:16
  55:     0x559b68460e07 - std::thread::local::LocalKey<T>::with::haf7763c2029de62f
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/local.rs:246:9
  56:     0x559b684902d2 - tokio::runtime::context::set_scheduler::he203274491c2c83f
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/context.rs:176:9
  57:     0x559b684af255 - tokio::runtime::scheduler::multi_thread::worker::run::{{closure}}::h8b6e9af4666b9a10
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/scheduler/multi_thread/worker.rs:486:9
  58:     0x559b684cf080 - tokio::runtime::context::runtime::enter_runtime::hc838255d5072cd8a
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/context/runtime.rs:65:16
  59:     0x559b684aefde - tokio::runtime::scheduler::multi_thread::worker::run::h8d5fc2b6ca6e1f75
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/scheduler/multi_thread/worker.rs:478:5
  60:     0x559b684aee57 - tokio::runtime::scheduler::multi_thread::worker::Launch::launch::{{closure}}::hfa1cad26eb8b9340
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/scheduler/multi_thread/worker.rs:447:45
  61:     0x559b684347f4 - <tokio::runtime::blocking::task::BlockingTask<T> as core::future::future::Future>::poll::hec86c7ab4c847c95
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/blocking/task.rs:42:21
  62:     0x559b68482e1e - <tracing::instrument::Instrumented<T> as core::future::future::Future>::poll::hd8a953380224e86c
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tracing-0.1.40/src/instrument.rs:321:9
  63:     0x559b684058bd - tokio::runtime::task::core::Core<T,S>::poll::{{closure}}::h67c28d747b8b5549
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/core.rs:328:17
  64:     0x559b68405270 - tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut::h9a3ad0c75ae64ff0
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/loom/std/unsafe_cell.rs:16:9
  65:     0x559b68405270 - tokio::runtime::task::core::Core<T,S>::poll::h06794d58673b5867
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/core.rs:317:13
  66:     0x559b6849b525 - tokio::runtime::task::harness::poll_future::{{closure}}::hecd8308869b35241
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/harness.rs:485:19
  67:     0x559b6840cf87 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0444eb6f668e2cf1
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
  68:     0x559b68428489 - std::panicking::try::do_call::hca879bee14cb3910
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
  69:     0x559b6842bd3b - __rust_try
  70:     0x559b684279e3 - std::panicking::try::hc69523b19a618a14
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
  71:     0x559b6840d5ae - std::panic::catch_unwind::h69e6145f15166f95
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
  72:     0x559b6849a7af - tokio::runtime::task::harness::poll_future::h93479695b81e1ce1
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/harness.rs:473:18
  73:     0x559b68497bcf - tokio::runtime::task::harness::Harness<T,S>::poll_inner::h7913972f8fa4599d
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/harness.rs:208:27
  74:     0x559b68497507 - tokio::runtime::task::harness::Harness<T,S>::poll::h00e20c1aaf9c299e
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/harness.rs:153:15
  75:     0x559b68408d80 - tokio::runtime::task::raw::poll::h30d755e4feed8148
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/raw.rs:271:5
  76:     0x559b68408b0b - tokio::runtime::task::raw::RawTask::poll::h73d32d4446e2dd0b
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/raw.rs:201:18
  77:     0x559b68464c0d - tokio::runtime::task::UnownedTask<S>::run::h044b5ead131277dd
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/task/mod.rs:453:9
  78:     0x559b6841ae76 - tokio::runtime::blocking::pool::Task::run::h465b496d15405c2f
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/blocking/pool.rs:159:9
  79:     0x559b68425f39 - tokio::runtime::blocking::pool::Inner::run::h47ce20f8130827bc
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/blocking/pool.rs:513:17
  80:     0x559b68425c84 - tokio::runtime::blocking::pool::Spawner::spawn_thread::{{closure}}::h765dc8020a524c7b
                               at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/tokio-1.36.0/src/runtime/blocking/pool.rs:471:13
  81:     0x559b68460846 - std::sys_common::backtrace::__rust_begin_short_backtrace::hddb6728b02fce294
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys_common/backtrace.rs:154:18
  82:     0x559b68473db2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h13dc6f8d0e947891
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:529:17
  83:     0x559b6840d242 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hbd185861996ee79b
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/panic/unwind_safe.rs:272:9
  84:     0x559b68428112 - std::panicking::try::do_call::h3a325329bed5556e
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:552:40
  85:     0x559b6842bd3b - __rust_try
  86:     0x559b68427377 - std::panicking::try::h67ce95c5bae10321
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panicking.rs:516:19
  87:     0x559b68473bfa - std::panic::catch_unwind::h6c93e7b02c693c4d
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/panic.rs:142:14
  88:     0x559b68473bfa - std::thread::Builder::spawn_unchecked_::{{closure}}::h115e5d3fe781aab1
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/thread/mod.rs:528:30
  89:     0x559b68473ff7 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h92681a280ee32d1f
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ops/function.rs:250:5
  90:     0x559b68868a75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc7eafaff61e32df9
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
  91:     0x559b68868a75 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ba4a5de48dd2304
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/boxed.rs:2007:9
  92:     0x559b68868a75 - std::sys::unix::thread::Thread::new::thread_start::he469335aef763e45
                               at /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/sys/unix/thread.rs:108:17
  2024-05-09T19:10:07.128733Z  INFO webrtc_mdns::conn: Received query result
    at /home/paultag/.cargo/registry/src/index.crates.io-6f17d22bba15001f/webrtc-mdns-0.7.0/src/conn/mod.rs:202

  93:     0x7fedcd19a45c - start_thread
                               at ./nptl/pthread_create.c:444:8
  94:     0x7fedcd21abbc - __GI___clone3
                               at ./misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
  95:                0x0 - <unknown>
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paultag commented May 15, 2024

seems like maybe this is all intentional and working as intended; closing

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