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.

serde with_subscribe?
serde_derive with_subscribe?
bytes with_subscribe?