reset causes an unhandled error

[khs26]

When running reset in a new mosaic session, we get an unhandled error:

0: rust_begin_unwind
    at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
1: core::panicking::panic_fmt
    at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/panicking.rs:85
2: core::option::expect_none_failed
    at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/option.rs:1221
3: core::result::Result<T,E>::unwrap
    at /home/kyle/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/result.rs:973
4: <mosaic::pty_bus::VteEventSender as vte::Perform>::osc_dispatch
    at ./src/pty_bus.rs:140
5: vte::Parser::osc_dispatch
    at vte-0.8.0/src/lib.rs:195
6: vte::Parser::perform_action
    at vte-0.8.0/src/lib.rs:276
7: vte::Parser::perform_state_change
    at vte-0.8.0/src/lib.rs:165
8: vte::Parser::advance
    at vte-0.8.0/src/lib.rs:128
9: mosaic::pty_bus::stream_terminal_bytes::{{closure}}
    at ./src/pty_bus.rs:190
10: <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll
    at /home/kyle/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/future/mod.rs:79
11: <async_std::task::builder::SupportTaskLocals<F> as core::future::future::Future>::poll::{{closure}}
    at async-std-1.6.2/src/task/builder.rs:198
12: async_std::task::task_locals_wrapper::TaskLocalsWrapper::set_current::{{closure}}
    at async-std-1.6.2/src/task/task_locals_wrapper.rs:60
13: std::thread::local::LocalKey<T>::try_with
    at /home/kyle/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/local.rs:265
14: std::thread::local::LocalKey<T>::with
    at /home/kyle/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/std/src/thread/local.rs:241
15: async_std::task::task_locals_wrapper::TaskLocalsWrapper::set_current
    at async-std-1.6.2/src/task/task_locals_wrapper.rs:55
16: <async_std::task::builder::SupportTaskLocals<F> as core::future::future::Future>::poll
    at async-std-1.6.2/src/task/builder.rs:196
17: async_task::raw::RawTask<F,R,S,T>::run
    at async-task-3.0.0/src/raw.rs:502
18: async_task::task::Task<T>::run
    at async-task-3.0.0/src/task.rs:265
19: smol::multitask::Worker::tick::{{closure}}
    at smol-0.1.18/src/multitask.rs:333
20: scoped_tls::ScopedKey<T>::set
    at scoped-tls-1.0.0/src/lib.rs:137
21: smol::multitask::Worker::tick
    at smol-0.1.18/src/multitask.rs:333
22: smol::run::run::{{closure}}::{{closure}}
    at smol-0.1.18/src/run.rs:124
23: scoped_tls::ScopedKey<T>::set
    at scoped-tls-1.0.0/src/lib.rs:137
24: smol::run::run::{{closure}}
    at smol-0.1.18/src/run.rs:116
25: smol::context::enter
    at smol-0.1.18/src/context.rs:8
26: smol::run::run
    at smol-0.1.18/src/run.rs:115
27: async_std::task::builder::Builder::blocking::{{closure}}::{{closure}}
    at async-std-1.6.2/src/task/builder.rs:170
28: async_std::task::task_locals_wrapper::TaskLocalsWrapper::set_current::{{closure}}
    at async-std-1.6.2/src/task/task_locals_wrapper.rs:60
29: std::thread::local::LocalKey<T>::try_with
    at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/local.rs:265
30: std::thread::local::LocalKey<T>::with
    at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/local.rs:241
31: async_std::task::task_locals_wrapper::TaskLocalsWrapper::set_current
    at async-std-1.6.2/src/task/task_locals_wrapper.rs:55
32: async_std::task::builder::Builder::blocking::{{closure}}
    at async-std-1.6.2/src/task/builder.rs:167
33: std::thread::local::LocalKey<T>::try_with
    at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/local.rs:265
34: std::thread::local::LocalKey<T>::with
    at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/local.rs:241
35: async_std::task::builder::Builder::blocking
    at async-std-1.6.2/src/task/builder.rs:160
36: async_std::task::block_on::block_on
    at async-std-1.6.2/src/task/block_on.rs:33
37: async_std::rt::RUNTIME::{{closure}}::{{closure}}
    at async-std-1.6.2/src/rt/mod.rs:30
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

[imsnif]

I can't reproduce this on my machine unfortunately :/

When you get a chance, could you try running this with the --debug flag? This will create a log of everything we received on the pty. It'll place the log in /tmp/mosaic-logs - if you could post the contents of that folder here I think I'll be able to reproduce this.

[khs26]

Just one file named mosaic-3.log:

[]0;kyle@kyle-VirtualBox: ~^G^[[01;32mkyle@kyle-VirtualBox^[[00m:^[[01;34m~^[[00m$ ^@r^@e^@s^@e^@t^@
^[c^[]104^G^[[!p^[[?3;4l

[imsnif]

Awesome, but could you please attach the file? I think we lost some escape characters in the copy/paste :)

[khs26]

mosaic-3.log

[roee-shapira-tikal]

#97