Use `asynch` instead of `r#async`
This is a vestige of the transition from 2015 to 2018 edition Rust. `async` was added as a keyword in 2018 edition Rust, so `cargo fix` changed the variable name here to `r#async`.
Use `asynch` instead of `r#async`
This is a vestige of the transition from 2015 to 2018 edition Rust. `async` was added as a keyword in 2018 edition Rust, so `cargo fix` changed the variable name here to `r#async`.
