Cargo Features

[dependencies]
tracing-shared = { version = "0.1.5", default-features = false, features = ["log", "tokio"] }
default = log

The log feature is set by default whenever tracing-shared is added without default-features = false somewhere in the dependency tree.

log default

Enables log

tokio

Enables tokio

Affects tracing-shared::setup_shared_tokio_ref