Cargo Features
halo2-core has no features set by default.
[dependencies]
halo2-core = { version = "0.1.0-beta.2", features = ["dev-graph", "gadget-traces", "sanity-checks"] }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.