thread 'Worker' panicked at 'assertion failed: start <= end', /github/home/.cargo/registry/src/proxy-git.cwkhome.fun-1ecc6299db9ec823/text-size-1.1.0/src/range.rs:48:9

[bjorn3]

#[allow(non_upper_case_globals)]
pub mod kw {
    macro_rules! define_keywords {
        ($($kw:ident)*) => {
            $(
                pub const $kw: &str = stringify!($kw);
            )*
        };
    }

    define_keywords! {
        auto
        break
        case
        char
        const
        continue
        default
        do
        double
        else
        enum
        extern
    }
}

pub fn escape_string(s: &str) -> String {
    format!("{:?}", s) // FIXME use actual C escaping rules
}

while extending the list of keywords in define_keywords! {}. The panics are fully deterministic and happens even after restarting.

thread 'Worker' panicked at 'assertion failed: start <= end', /github/home/.cargo/registry/src/proxy-git.cwkhome.fun-1ecc6299db9ec823/text-size-1.1.0/src/range.rs:48:9
stack backtrace:
   0: rust_begin_unwind
             at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:584:5
   1: core::panicking::panic_fmt
             at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/panicking.rs:142:14
   2: core::panicking::panic
             at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/panicking.rs:48:5
   3: ide_completion::completions::item_list::trait_impl::complete_trait_impl_name
   4: ide_completion::completions
   5: std::panicking::try
   6: rust_analyzer::handlers::handle_completion
   7: std::panicking::try
   8: <F as threadpool::FnBox>::call_box
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
[Error - 14:17:49] Request textDocument/completion failed.
  Message: request handler panicked: assertion failed: start <= end
  Code: -32603

rust-analyzer version: rust-analyzer version: 0.3.1221-standalone

rustc version: rustc 1.63.0 (4b91a6ea7 2022-08-08)

relevant settings:

[Veykril]

This doesn't actually panic for me 😕 But I see the cause of why this could panic in the code at least