Panic in char::is_whitespace #194
Description
I was investigating #193 and found an unrelated bug. Backtrace:
Backtrace
thread 'main' panicked at 'index out of bounds: the len is 4 but the index is 4', src/libcore/unicode/unicode_data.rs:75:40
stack backtrace:
0: backtrace::backtrace::libunwind::trace
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
1: backtrace::backtrace::trace_unsynchronized
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
2: std::sys_common::backtrace::_print_fmt
at src/libstd/sys_common/backtrace.rs:78
3: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
at src/libstd/sys_common/backtrace.rs:59
4: core::fmt::write
at src/libcore/fmt/mod.rs:1069
5: std::io::Write::write_fmt
at src/libstd/io/mod.rs:1532
6: std::sys_common::backtrace::_print
at src/libstd/sys_common/backtrace.rs:62
7: std::sys_common::backtrace::print
at src/libstd/sys_common/backtrace.rs:49
8: std::panicking::default_hook::{{closure}}
at src/libstd/panicking.rs:198
9: std::panicking::default_hook
at src/libstd/panicking.rs:218
10: std::panicking::rust_panic_with_hook
at src/libstd/panicking.rs:477
11: rust_begin_unwind
at src/libstd/panicking.rs:385
12: core::panicking::panic_fmt
at src/libcore/panicking.rs:89
13: core::panicking::panic_bounds_check
at src/libcore/panicking.rs:65
14: core::unicode::unicode_data::skip_search
at src/libcore/unicode/unicode_data.rs:0
15: core::unicode::unicode_data::white_space::lookup
at src/libcore/unicode/unicode_data.rs:541
16: core::char::methods::<impl char>::is_whitespace
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/char/methods.rs:645
17: libtiny_tui::msg_area::line::Line::add_text
at libtiny_tui/src/msg_area/line.rs:146
18: libtiny_tui::msg_area::MsgArea::add_text
at libtiny_tui/src/msg_area/mod.rs:147
19: libtiny_tui::messaging::MessagingUI::add_privmsg
at libtiny_tui/src/messaging.rs:357
20: libtiny_tui::tui::TUI::add_privmsg::{{closure}}
at libtiny_tui/src/tui.rs:1144
21: libtiny_tui::tui::TUI::apply_to_target
at libtiny_tui/src/tui.rs:1082
22: libtiny_tui::tui::TUI::add_privmsg
at libtiny_tui/src/tui.rs:1143
23: <libtiny_tui::TUI as libtiny_ui::UI>::add_privmsg
at libtiny_tui/src/lib.rs:156
24: <libtiny_ui::CombinedUIs<UI1,UI2> as libtiny_ui::UI>::add_privmsg
at ./libtiny_ui/src/lib.rs:244
25: tiny::conn::handle_irc_msg
at tiny/src/conn.rs:413
26: tiny::conn::handle_conn_ev
at tiny/src/conn.rs:103
27: tiny::conn::task::{{closure}}
at tiny/src/conn.rs:18
28: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/future/mod.rs:61
29: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/core.rs:163
30: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/loom/std/unsafe_cell.rs:14
31: tokio::runtime::task::core::Core<T,S>::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/core.rs:148
32: tokio::runtime::task::harness::Harness<T,S>::poll::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/harness.rs:108
33: core::ops::function::FnOnce::call_once
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/ops/function.rs:232
34: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/panic.rs:318
35: std::panicking::try::do_call
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/panicking.rs:297
36: __rust_try
37: std::panicking::try
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/panicking.rs:274
38: std::panic::catch_unwind
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/panic.rs:394
39: tokio::runtime::task::harness::Harness<T,S>::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/harness.rs:84
40: tokio::runtime::task::raw::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/raw.rs:104
41: tokio::runtime::task::raw::RawTask::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/raw.rs:66
42: tokio::runtime::task::Notified<S>::run
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/mod.rs:169
43: tokio::task::local::LocalSet::tick::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:406
44: tokio::coop::budget::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/coop.rs:85
45: std::thread::local::LocalKey<T>::try_with
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/thread/local.rs:263
46: std::thread::local::LocalKey<T>::with
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/thread/local.rs:239
47: tokio::coop::budget
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/coop.rs:79
48: tokio::task::local::LocalSet::tick
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:406
49: <tokio::task::local::RunUntil<T> as core::future::future::Future>::poll::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:527
50: tokio::macros::scoped_tls::ScopedKey<T>::set
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/macros/scoped_tls.rs:64
51: tokio::task::local::LocalSet::with
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:440
52: <tokio::task::local::RunUntil<T> as core::future::future::Future>::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:516
53: tokio::task::local::LocalSet::run_until::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:390
54: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/future/mod.rs:61
55: tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::{{closure}}::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:131
56: tokio::coop::budget::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/coop.rs:97
57: std::thread::local::LocalKey<T>::try_with
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/thread/local.rs:263
58: std::thread::local::LocalKey<T>::with
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/thread/local.rs:239
59: tokio::coop::budget
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/coop.rs:79
60: tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:131
61: tokio::runtime::basic_scheduler::enter::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:213
62: tokio::macros::scoped_tls::ScopedKey<T>::set
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/macros/scoped_tls.rs:64
63: tokio::runtime::basic_scheduler::enter
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:213
64: tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:123
65: tokio::runtime::Runtime::block_on::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/mod.rs:418
66: tokio::runtime::context::enter
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/context.rs:72
67: tokio::runtime::handle::Handle::enter
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/handle.rs:39
68: tokio::runtime::Runtime::block_on
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/mod.rs:415
69: tokio::task::local::LocalSet::block_on
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:351
70: tiny::run
at tiny/src/main.rs:85
71: tiny::main
at tiny/src/main.rs:60
72: std::rt::lang_start::{{closure}}
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/rt.rs:67
73: std::rt::lang_start_internal::{{closure}}
at src/libstd/rt.rs:52
74: std::panicking::try::do_call
at src/libstd/panicking.rs:297
75: std::panicking::try
at src/libstd/panicking.rs:274
76: std::panic::catch_unwind
at src/libstd/panic.rs:394
77: std::rt::lang_start_internal
at src/libstd/rt.rs:51
78: std::rt::lang_start
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/rt.rs:67
79: main
80: __libc_start_main
81: _start
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: SendError(Msg(Msg { pfx: Some(Server("kornbluth.freenode.net")), cmd: Reply { num: 322, params: ["osa1", "#wikipedia-zh-transpt", "7", "維基百科地理及交通群︰與Telegram群 @wikipedia_zh_geo_and_transpt 及Discord群77n7vnu (https://discord.gg/77n7vnu)互聯。"] } }))', libtiny_client/src/lib.rs:446:13
stack backtrace:
0: backtrace::backtrace::libunwind::trace
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
1: backtrace::backtrace::trace_unsynchronized
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
2: std::sys_common::backtrace::_print_fmt
at src/libstd/sys_common/backtrace.rs:78
3: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
at src/libstd/sys_common/backtrace.rs:59
4: core::fmt::write
at src/libcore/fmt/mod.rs:1069
5: std::io::Write::write_fmt
at src/libstd/io/mod.rs:1532
6: std::sys_common::backtrace::_print
at src/libstd/sys_common/backtrace.rs:62
7: std::sys_common::backtrace::print
at src/libstd/sys_common/backtrace.rs:49
8: std::panicking::default_hook::{{closure}}
at src/libstd/panicking.rs:198
9: std::panicking::default_hook
at src/libstd/panicking.rs:218
10: std::panicking::rust_panic_with_hook
at src/libstd/panicking.rs:477
11: rust_begin_unwind
at src/libstd/panicking.rs:385
12: core::panicking::panic_fmt
at src/libcore/panicking.rs:89
13: core::option::expect_none_failed
at src/libcore/option.rs:1272
14: core::result::Result<T,E>::unwrap
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/result.rs:1005
15: libtiny_client::main_loop::{{closure}}
at libtiny_client/src/lib.rs:446
16: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/future/mod.rs:61
17: tokio::runtime::task::core::Core<T,S>::poll::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/core.rs:163
18: tokio::loom::std::unsafe_cell::UnsafeCell<T>::with_mut
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/loom/std/unsafe_cell.rs:14
19: tokio::runtime::task::core::Core<T,S>::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/core.rs:148
20: tokio::runtime::task::harness::Harness<T,S>::poll::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/harness.rs:108
21: core::ops::function::FnOnce::call_once
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/ops/function.rs:232
22: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/panic.rs:318
23: std::panicking::try::do_call
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/panicking.rs:297
24: __rust_try
25: std::panicking::try
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/panicking.rs:274
26: std::panic::catch_unwind
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/panic.rs:394
27: tokio::runtime::task::harness::Harness<T,S>::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/harness.rs:84
28: tokio::runtime::task::raw::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/raw.rs:104
29: tokio::runtime::task::raw::RawTask::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/raw.rs:66
30: tokio::runtime::task::Notified<S>::run
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/task/mod.rs:169
31: tokio::task::local::LocalSet::tick::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:406
32: tokio::coop::budget::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/coop.rs:85
33: std::thread::local::LocalKey<T>::try_with
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/thread/local.rs:263
34: std::thread::local::LocalKey<T>::with
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/thread/local.rs:239
35: tokio::coop::budget
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/coop.rs:79
36: tokio::task::local::LocalSet::tick
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:406
37: <tokio::task::local::RunUntil<T> as core::future::future::Future>::poll::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:527
38: tokio::macros::scoped_tls::ScopedKey<T>::set
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/macros/scoped_tls.rs:64
39: tokio::task::local::LocalSet::with
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:440
40: <tokio::task::local::RunUntil<T> as core::future::future::Future>::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:516
41: tokio::task::local::LocalSet::run_until::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:390
42: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/future/mod.rs:61
43: tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::{{closure}}::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:131
44: tokio::coop::budget::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/coop.rs:97
45: std::thread::local::LocalKey<T>::try_with
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/thread/local.rs:263
46: std::thread::local::LocalKey<T>::with
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/thread/local.rs:239
47: tokio::coop::budget
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/coop.rs:79
48: tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:131
49: tokio::runtime::basic_scheduler::enter::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:213
50: tokio::macros::scoped_tls::ScopedKey<T>::set
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/macros/scoped_tls.rs:64
51: tokio::runtime::basic_scheduler::enter
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:213
52: tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:123
53: tokio::runtime::Runtime::block_on::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/mod.rs:418
54: tokio::runtime::context::enter
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/context.rs:72
55: tokio::runtime::handle::Handle::enter
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/handle.rs:39
56: tokio::runtime::Runtime::block_on
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/mod.rs:415
57: tokio::task::local::LocalSet::block_on
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:351
58: tiny::run
at tiny/src/main.rs:85
59: tiny::main
at tiny/src/main.rs:60
60: std::rt::lang_start::{{closure}}
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/rt.rs:67
61: std::rt::lang_start_internal::{{closure}}
at src/libstd/rt.rs:52
62: std::panicking::try::do_call
at src/libstd/panicking.rs:297
63: std::panicking::try
at src/libstd/panicking.rs:274
64: std::panic::catch_unwind
at src/libstd/panic.rs:394
65: std::rt::lang_start_internal
at src/libstd/rt.rs:51
66: std::rt::lang_start
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/rt.rs:67
67: main
68: __libc_start_main
69: _start
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Closed(Quit(None))', libtiny_client/src/lib.rs:243:9
stack backtrace:
0: backtrace::backtrace::libunwind::trace
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
1: backtrace::backtrace::trace_unsynchronized
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
2: std::sys_common::backtrace::_print_fmt
at src/libstd/sys_common/backtrace.rs:78
3: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
at src/libstd/sys_common/backtrace.rs:59
4: core::fmt::write
at src/libcore/fmt/mod.rs:1069
5: std::io::Write::write_fmt
at src/libstd/io/mod.rs:1532
6: std::sys_common::backtrace::_print
at src/libstd/sys_common/backtrace.rs:62
7: std::sys_common::backtrace::print
at src/libstd/sys_common/backtrace.rs:49
8: std::panicking::default_hook::{{closure}}
at src/libstd/panicking.rs:198
9: std::panicking::default_hook
at src/libstd/panicking.rs:218
10: std::panicking::rust_panic_with_hook
at src/libstd/panicking.rs:477
11: rust_begin_unwind
at src/libstd/panicking.rs:385
12: core::panicking::panic_fmt
at src/libcore/panicking.rs:89
13: core::option::expect_none_failed
at src/libcore/option.rs:1272
14: core::result::Result<T,E>::unwrap
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/result.rs:1005
15: libtiny_client::Client::quit
at libtiny_client/src/lib.rs:243
16: tiny::ui::handle_input_ev
at tiny/src/ui.rs:38
17: tiny::ui::task::{{closure}}
at tiny/src/ui.rs:22
18: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/future/mod.rs:61
19: tiny::run::{{closure}}
at tiny/src/main.rs:156
20: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/future/mod.rs:61
21: <tokio::task::local::RunUntil<T> as core::future::future::Future>::poll::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:523
22: tokio::macros::scoped_tls::ScopedKey<T>::set
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/macros/scoped_tls.rs:64
23: tokio::task::local::LocalSet::with
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:440
24: <tokio::task::local::RunUntil<T> as core::future::future::Future>::poll
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:516
25: tokio::task::local::LocalSet::run_until::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:390
26: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore/future/mod.rs:61
27: tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::{{closure}}::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:131
28: tokio::coop::budget::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/coop.rs:97
29: std::thread::local::LocalKey<T>::try_with
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/thread/local.rs:263
30: std::thread::local::LocalKey<T>::with
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/thread/local.rs:239
31: tokio::coop::budget
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/coop.rs:79
32: tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:131
33: tokio::runtime::basic_scheduler::enter::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:213
34: tokio::macros::scoped_tls::ScopedKey<T>::set
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/macros/scoped_tls.rs:64
35: tokio::runtime::basic_scheduler::enter
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:213
36: tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/basic_scheduler.rs:123
37: tokio::runtime::Runtime::block_on::{{closure}}
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/mod.rs:418
38: tokio::runtime::context::enter
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/context.rs:72
39: tokio::runtime::handle::Handle::enter
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/handle.rs:39
40: tokio::runtime::Runtime::block_on
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/runtime/mod.rs:415
41: tokio::task::local::LocalSet::block_on
at /home/omer/.cargo/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.18/src/task/local.rs:351
42: tiny::run
at tiny/src/main.rs:85
43: tiny::main
at tiny/src/main.rs:60
44: std::rt::lang_start::{{closure}}
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/rt.rs:67
45: std::rt::lang_start_internal::{{closure}}
at src/libstd/rt.rs:52
46: std::panicking::try::do_call
at src/libstd/panicking.rs:297
47: std::panicking::try
at src/libstd/panicking.rs:274
48: std::panic::catch_unwind
at src/libstd/panic.rs:394
49: std::rt::lang_start_internal
at src/libstd/rt.rs:51
50: std::rt::lang_start
at /home/omer/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libstd/rt.rs:67
51: main
52: __libc_start_main
53: _start
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
To reproducer, run LIST in freenode in debug build and stay on the server tab so that every update is rendered. At some point this panic should be printed to stderr.
This is probably related to how to unsafely convert bytes into Rust strings which are expected to be UTF-8 encoded.