Fix `clippy::correctness` in the library needs https://github.com/rust-lang/backtrace-rs/pull/579 to be complete for https://github.com/rust-lang/compiler-team/issues/709
Fix `clippy::correctness` in the library needs https://github.com/rust-lang/backtrace-rs/pull/579 to be complete for https://github.com/rust-lang/compiler-team/issues/709