Cargo Features

cuDNN has no features set by default.

[dependencies]
cudnn = { version = "1.3.1", features = ["lint", "dev", "travis"] }
lint = clippy
dev
travis

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.

clippy lint?

Enables clippy ^0.0.27