Cargo Features

[dependencies]
opentelemetry-stdout = { version = "0.4.0", default-features = false, features = ["trace", "metrics", "logs"] }
default = logs, metrics, trace

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

trace default = futures-util

Enables trace of opentelemetry and opentelemetry_sdk

metrics default = async-trait

Enables metrics of opentelemetry and opentelemetry_sdk

logs default = async-trait, thiserror

Enables logs of opentelemetry, logs and logs_level_enabled of opentelemetry_sdk

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.

async-trait logs metrics
thiserror logs
futures-util trace