I got this:
>error: could not compile `async-executor`
>
>Caused by:
  process didn't exit successfully: `rustc --crate-name async_executor --edition=2018 ............ --cap-lints allow -Zremap-cwd-prefix=` (signal: 11, SIGSEGV: invalid memory reference)

Does this mean the compiler crashed?

async-executor: https://github.com/smol-rs/async-executor