Crash in xi-syntect-plugin when doing find&replace

[Cogitri]

When doing find&replace with syntax highlighting enabled xi-syntect-plugin often crashes with the following backtrace:

thread 'main' panicked at 'Delta builder: intervals not properly sorted', rope/src/delta.rs:588:9
stack backtrace:
   0:     0x55f3ad4df8a3 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h54a554a656aad64c
   1:     0x55f3ad4f974d - core::fmt::write::h4062330348f16431
   2:     0x55f3ad4df645 - std::io::Write::write_fmt::h143dd423ee1884d4
   3:     0x55f3ad4d6490 - std::panicking::default_hook::{{closure}}::hfb3d55640a8eb1fd
   4:     0x55f3ad4d61ab - std::panicking::default_hook::h6611efd8655219d9
   5:     0x55f3ad4d6ad1 - std::panicking::rust_panic_with_hook::h6698d52df4a4e416
   6:     0x55f3ad4d1181 - std::panicking::begin_panic::ha07bc01d9c8caae3
                               at /home/buildozer/aports/community/rust/src/rustc-1.43.1-src/src/libstd/panicking.rs:397
   7:     0x55f3ad329654 - xi_rope::delta::Builder<N>::delete::h177fafbc0409da4a
                               at rope/src/delta.rs:588
   8:     0x55f3ad3296d0 - xi_rope::delta::Builder<N>::replace::h8357214bd41f1426
                               at rope/src/delta.rs:598
   9:     0x55f3ad1f0390 - xi_syntect_plugin::PluginState::bulk_autoindent::hddfdd667b6c23640
                               at syntect-plugin/src/main.rs:338
  10:     0x55f3ad1eec03 - xi_syntect_plugin::PluginState::indent_lines::h782478acc7c577c7
                               at syntect-plugin/src/main.rs:240
  11:     0x55f3ad1f4de3 - <xi_syntect_plugin::Syntect as xi_plugin_lib::Plugin>::idle::h9f6a9707e2383b26
                               at syntect-plugin/src/main.rs:728
  12:     0x55f3ad20fb72 - <xi_plugin_lib::dispatch::Dispatcher<P> as xi_rpc::Handler>::idle::h378df28b23990b5f
                               at /home/rasmus/Projects/xi-editor/rust/plugin-lib/src/dispatch.rs:228
  13:     0x55f3ad2036c1 - xi_rpc::do_idle::h4db2d937c29e1122
                               at /home/rasmus/Projects/xi-editor/rust/rpc/src/lib.rs:390
  14:     0x55f3ad20391a - xi_rpc::next_read::h0745df13f23a1493
                               at /home/rasmus/Projects/xi-editor/rust/rpc/src/lib.rs:374
  15:     0x55f3ad201d5a - xi_rpc::RpcLoop<W>::mainloop::{{closure}}::h4e16ce68bc5c722c
                               at /home/rasmus/Projects/xi-editor/rust/rpc/src/lib.rs:305
  16:     0x55f3ad18bd70 - crossbeam_utils::thread::scope::{{closure}}::hc7bf0ec474b2cff6
                               at /home/rasmus/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:161
  17:     0x55f3ad1de689 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h31eaf5940996cd61
                               at /home/buildozer/aports/community/rust/src/rustc-1.43.1-src/src/libstd/panic.rs:318
  18:     0x55f3ad228f4a - std::panicking::try::do_call::h0848acea8b45692c
                               at /home/buildozer/aports/community/rust/src/rustc-1.43.1-src/src/libstd/panicking.rs:303
  19:     0x55f3ad4e2b27 - __rust_maybe_catch_panic
  20:     0x55f3ad228db0 - std::panicking::try::h1b5e8619adc2969d
                               at /home/buildozer/aports/community/rust/src/rustc-1.43.1-src/src/libstd/panicking.rs:281
  21:     0x55f3ad1de708 - std::panic::catch_unwind::h98017e53c02716bf
                               at /home/buildozer/aports/community/rust/src/rustc-1.43.1-src/src/libstd/panic.rs:394
  22:     0x55f3ad18b614 - crossbeam_utils::thread::scope::h699ed5ee77b99134
                               at /home/rasmus/.cargo/registry/src/github.com-1ecc6299db9ec823/crossbeam-utils-0.7.2/src/thread.rs:161
  23:     0x55f3ad201a77 - xi_rpc::RpcLoop<W>::mainloop::h2538d5997d60077b
                               at /home/rasmus/Projects/xi-editor/rust/rpc/src/lib.rs:257
  24:     0x55f3ad1da5ff - xi_plugin_lib::mainloop::hb4fba6e75d7648ff
                               at /home/rasmus/Projects/xi-editor/rust/plugin-lib/src/lib.rs:211
  25:     0x55f3ad1f4fbf - xi_syntect_plugin::main::he3de1a49cfe3291e
                               at syntect-plugin/src/main.rs:750
  26:     0x55f3ad1dc03b - std::rt::lang_start::{{closure}}::ha92eaf59925373aa
                               at /home/buildozer/aports/community/rust/src/rustc-1.43.1-src/src/libstd/rt.rs:67
  27:     0x55f3ad4d65a3 - std::panicking::try::do_call::h36c950cdaa90da3c
  28:     0x55f3ad4e2b27 - __rust_maybe_catch_panic
  29:     0x55f3ad4da324 - std::rt::lang_start_internal::h3c1936d89a759a3d
  30:     0x55f3ad1dc017 - std::rt::lang_start::hc0fbaeab0bc682f4
                               at /home/buildozer/aports/community/rust/src/rustc-1.43.1-src/src/libstd/rt.rs:67
  31:     0x55f3ad1f52ea - main
  32:     0x7f5911c141f5 - libc_start_main_stage2
                               at src/env/__libc_start_main.c:94

I'm using xi-editor 72ce488 . Bug report in Tau with reproducer file: https://gitlab.gnome.org/World/Tau/-/issues/402#note_824072