Cargo Features
ncollide_testbed2d has no features set by default.
[dependencies]
ncollide_testbed2d = { version = "0.5.0", features = ["recording"] }- recording = mpeg_encoder
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.