What's New in Rust 1.60 and 1.61

Jon and Ben discuss the highlights of the 1.60 and 1.61 releases of Rust. Contributing to Rustacean Station Rustacean Station is a community project; get in touch with us if you’d like to suggest an idea for an episode or offer your services as a host or audio editor! Twitter: @rustaceanfm Discord: Rustacean Station Github: @rustacean-station Email: [email protected] Timestamps & referenced resources [@01:15] - Rust 1.60 [@01:45] - Source-Based Code Coverage -Cinstrument-coverage documentation grcov cargo-llvm-cov [@08:21] - cargo --timings Example output for Cargo build Cargo documentation [@10:21] - New syntax for Cargo features Optional dependencies Dependency features [@17:06] - Incremental compilation status Incremental disabled in 1.59 [@20:06] - Instant monotonicity guarantees “And now we come upon a sad state of affairs” PR moving from Mutex to AtomicU64 PR removing backsliding protection [@26:01] - Stabilized APIs Arc::new_cyclic Source for Arc::new_cyclic <[u8]>::escape_ascii usize::abs_diff [@32:27] - Changelog deep-dive Stabilize #[cfg(panic = "..")] Port cargo from toml-rs to toml_edit toml_edit crate Adding OpenWRT target OpenWRT [@36:59] - Rust 1.61 [@36:59] - Custom exit codes from main Termination ExitCode Why ExitCode is opaque try_trait_v2 [@45:05] - More capabilities for const fn Meta tracking issue for const fn [@52:20] - Static handles for locked stdio Stdout::lock [@54:33] - Stabilized APIs Vec::retain_mut <*const T>::offset [@59:22] - Changelog deep-dive std::thread::available_parallelism Respecting Linux cgroups Cargo dropping num_cpus Sparse registries RFC Implementation Call for testing Linux baseline requirements bump Likely landing in 1.64 Compatibility Notes #[ignore = ".."] Removing “everybody loops” When rustdoc stopped looping everybody [@1:12:55] - Rust 2024 Roadmap Living roadmap Credits Intro Theme: Aerocity Audio Editing: Aerocity Hosting Infrastructure: Jon Gjengset Show Notes: Jon Gjengset Hosts: Jon Gjengset and Ben Striegel