Cargo Features

[dependencies]
snurr = { version = "0.7.0", default-features = false, features = ["trace", "hashbrown", "parallel"] }
default = hashbrown

The hashbrown feature is set by default whenever snurr is added without default-features = false somewhere in the dependency tree.

trace
hashbrown default

Enables hashbrown

parallel

Enables rayon

Snurr has 4 features without comments.