panic: called `Option::unwrap()` on a `None` value

[madelynnblue]

thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', crates/rust-analyzer/src/main_loop.rs:449:31
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:1076
   5: std::io::Write::write_fmt
             at src/libstd/io/mod.rs:1537
   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:486
  11: rust_begin_unwind
             at src/libstd/panicking.rs:388
  12: core::panicking::panic_fmt
             at src/libcore/panicking.rs:101
  13: core::panicking::panic
             at src/libcore/panicking.rs:56
  14: core::ops::function::FnOnce::call_once
  15: rust_analyzer::dispatch::NotificationDispatcher::on
  16: rust_analyzer::main_loop::<impl rust_analyzer::global_state::GlobalState>::handle_event
  17: rust_analyzer::main_loop::<impl rust_analyzer::global_state::GlobalState>::run
  18: rust_analyzer::main_loop::main_loop
  19: rust_analyzer::main
  20: std::rt::lang_start::{{closure}}
  21: std::rt::lang_start_internal::{{closure}}
             at src/libstd/rt.rs:52
  22: std::panicking::try::do_call
             at src/libstd/panicking.rs:297
  23: std::panicking::try
             at src/libstd/panicking.rs:274
  24: std::panic::catch_unwind
             at src/libstd/panic.rs:394
  25: std::rt::lang_start_internal
             at src/libstd/rt.rs:51
  26: main
  27: __libc_start_main
  28: _start

Not sure exactly which version (probably last week's), but md5 was b28aafc021827342f526d27972e475c1. This was on the https://github.com/MaterializeInc/materialize/ codebase. It usually runs fine but crashed unexpectedly. Using http://github.com/mjibson/acre as the client.

[Veetaha]

To get the version in VSCode use View -> Command Palette and type > Rust Analyzer: Show RA Version

[madelynnblue]

Version is 2020-08-24.