Cargo Features

[dependencies]
test-r-core = { version = "1.0.2", default-features = false, features = ["tokio"] }
default = tokio

The tokio feature is set by default whenever test-r-core is added without default-features = false somewhere in the dependency tree.

tokio default

Enables tokio, tokio of interprocess

Affects bench::AsyncBencher, bench::async_iter