Crash due to "Neovim request None timed out"

[bk2204]

Describe the bug
On certain occasions, Neovim-Gtk crashes with the following backtrace. It most commonly occurs when exiting using :q, but can occur at other times as well. When the crash occurs, the UI hangs for a moment, and then the window closes and the backtrace is printed.

Neovim request None timed out
stack backtrace:
   0:     0x59d619b24f36 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
   1:     0x59d619b24f36 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x59d619b24f36 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x59d619b24f36 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x59d619b53880 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
   5:     0x59d619b53880 - core::fmt::write::h3ed6aeaa977c8e45
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
   6:     0x59d619b2224f - std::io::Write::write_fmt::h78b18af5775fedb5
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
   7:     0x59d619b24d14 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x59d619b24d14 - std::sys_common::backtrace::print::h85035a511aafe7a8
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x59d619b26467 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
  10:     0x59d619b261c9 - std::panicking::default_hook::hf5fcb0f213fe709a
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
  11:     0x59d619b268f8 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
  12:     0x59d619b267d2 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
  13:     0x59d619b25436 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
  14:     0x59d619b26530 - rust_begin_unwind
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
  15:     0x59d6197e2265 - core::panicking::panic_fmt::h784f20a50eaab275
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
  16:     0x59d6197fc3c9 - <core::result::Result<T,nvim_gtk::nvim::SessionError> as nvim_gtk::nvim::ext::ErrorReport<T>>::ok_and_report::h5b9a931c7ef404cd
  17:     0x59d6198808d5 - nvim_gtk::input::gtk_key_press::he4671a3d404f3d8f
  18:     0x59d6198e8ae6 - gtk4::event_controller_key::<impl gtk4::auto::event_controller_key::EventControllerKey>::connect_key_pressed::key_pressed_trampoline::ha867a9c58a9d7d41
  19:      0xe612b2bda7d - <unknown>
  20:      0xe612aea06bd - <unknown>
  21:      0xe612aea07c1 - g_signal_emit_valist
  22:      0xe612aea0883 - g_signal_emit
  23:      0xe612b330e35 - <unknown>
  24:      0xe612b490423 - <unknown>
  25:      0xe612b49083d - <unknown>
  26:      0xe612b3a5f52 - <unknown>
  27:      0xe612b3a6a9f - <unknown>
  28:      0xe612b2c2ab4 - <unknown>
  29:      0xe612b699a36 - <unknown>
  30:      0xe612ae802fa - g_closure_invoke
  31:      0xe612aeaf90c - <unknown>
  32:      0xe612ae9fef2 - <unknown>
  33:      0xe612aea07c1 - g_signal_emit_valist
  34:      0xe612aea0883 - g_signal_emit
  35:      0xe612b735827 - <unknown>
  36:      0xe612b64f136 - <unknown>
  37:      0xe612ad7f5b5 - <unknown>
  38:      0xe612adde717 - <unknown>
  39:      0xe612ad7ea53 - g_main_context_iteration
  40:      0xe612afb588d - g_application_run
  41:     0x59d619863e8d - gio::application::ApplicationExtManual::run::h3398bce305c7b287
  42:     0x59d619874001 - nvim_gtk::main::h56301ff89be0889c
  43:     0x59d6198643f3 - std::sys_common::backtrace::__rust_begin_short_backtrace::h769a57da8c301c9a
  44:     0x59d619889bc9 - std::rt::lang_start::{{closure}}::h30113f68d29d6d2b
  45:     0x59d619b1af31 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
  46:     0x59d619b1af31 - std::panicking::try::do_call::hb4bda49fa13a0c2b
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
  47:     0x59d619b1af31 - std::panicking::try::h8bbf75149211aaaa
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
  48:     0x59d619b1af31 - std::panic::catch_unwind::h8c78ec68ebea34cb
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
  49:     0x59d619b1af31 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
  50:     0x59d619b1af31 - std::panicking::try::do_call::hcb3194972c74716d
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
  51:     0x59d619b1af31 - std::panicking::try::hcdc6892c5f0dba4c
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
  52:     0x59d619b1af31 - std::panic::catch_unwind::h4910beb4573f4776
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
  53:     0x59d619b1af31 - std::rt::lang_start_internal::h6939038e2873596b
                               at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
  54:     0x59d619878455 - main
  55:      0xe612a82a1ca - __libc_start_call_main
                               at ./csu/../sysdeps/nptl/libc_start_call_main.h:58:16
  56:      0xe612a82a28b - __libc_start_main_impl
                               at ./csu/../csu/libc-start.c:360:3
  57:     0x59d6197e2a75 - _start
  58:                0x0 - <unknown>

Technical information (please complete the following information):

• OS: Ubuntu 24.04 and Debian sid (unstable), both amd64
• Neovim version: 0.9.5, using the distro packages
• Neovim-Gtk build version: 5dff5f9, built locally