Cargo Features

future_handles has no features set by default.

[dependencies]
future_handles = { version = "0.2.0", features = ["sync"] }
sync = spinning_top

Affects future_handles::sync

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.

spinning_top sync?

Enables spinning_top ^0.2