Cargo Features

[dependencies]
libfuzzer-sys = { version = "0.4.7", default-features = false, features = ["link_libfuzzer", "arbitrary-derive"] }
default = link_libfuzzer

The link_libfuzzer feature is set by default whenever libfuzzer-sys is added without default-features = false somewhere in the dependency tree.

arbitrary-derive

Enables derive of arbitrary

arbitrary:

Turn this feature on to enable support for #[derive(Arbitrary)].

libfuzzer-sys has 3 features without comments.