Cargo Features

quil-rs has no features set by default.

[dependencies]
quil-rs = { version = "0.29.2", features = ["graphviz-dot", "wasm-bindgen"] }

These are described in the crate README.md

graphviz-dot = dot-writer
wasm-bindgen

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.

dot-writer graphviz-dot?