hermit-os/hermit-rs: Hermit for Rust 0.13.0

Starting with this release, this crate is no longer distributed via crates.io. To upgrade, use the crate via Git instead: -hermit = "0.12" +hermit = { git = "https://github.com/hermit-os/hermit-rs.git", tag = "hermit-0.13.0" } For details, see https://github.com/hermit-os/hermit-rs/pull/876. 🚀 Features Don't download and unpack kernel sources There are now docs for the Cargo features at the kernel docs. Harmonize virtio feature names (hermit) Add and forward semihosting feature (Cargo.toml) Deprecate fs feature (Cargo.toml) Replace instrument feature with instrument-mcount feature 🐛 Bug Fixes (hermit/Cargo.toml) Add and forward mman feature (build.rs) Don't add nonexistent library search path (build.rs) Track missing env vars 💼 Other Allow to specify custom hermit source path (hermit) Build kernel xtask without default features (deps) Update kernel to 0.13.0 (deps) Update Cargo.lock 🚜 Refactor (syscall) Extract update_errno! 🎨 Styling (build.rs) Sort env vars