Cargo Features

firecracker-rs-sdk has no features set by default.

[dependencies]
firecracker-rs-sdk = { version = "0.1.0", features = ["async-std", "tokio"] }
_rt-std

For conditional compilation

Affects instance::Instance…

_rt-async = async-trait

For sharing code between _rt-tokio and _rt-async-std

Affects instance::Instance…

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

async-std implicit feature

Enables async-std

async-std:

Async version of the Rust standard library

async-trait _rt-async?
tokio implicit feature

Enables tokio

tokio:

An event-driven, non-blocking I/O platform for writing asynchronous I/O backed applications