Cargo Features

[dependencies]
dtn7 = { version = "0.21.0", default-features = false, features = ["tracing", "deadlock_detection", "store_sled", "store_sneakers"] }
default = store_sled, store_sneakers

These default features are set whenever dtn7 is added without default-features = false somewhere in the dependency tree.

tracing = console-subscriber
deadlock_detection

Enables deadlock_detection of parking_lot

store_sled default = sled
store_sneakers default = d7sneakers

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.

sled store_sled
d7sneakers store_sneakers
console-subscriber tracing?