Cargo Features
ckb-testkit has no features set by default.
[dependencies]
ckb-testkit = { version = "0.0.1", features = ["with_subscribe"] }- with_subscribe = bytes, serde, serde_derive
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.