Cargo Features

[dependencies]
debug-rs = { version = "0.1.3", default-features = false, features = ["disable", "debug_build_only"] }
default = debug_build_only

The debug_build_only feature is set by default whenever debug-rs is added without default-features = false somewhere in the dependency tree.

disable
debug_build_only default

debug-rs has 3 features without comments.