Cargo Features

supply-chain-trust-example-crate-000028 has no features set by default.

[dependencies]
supply-chain-trust-example-crate-000028 = { version = "1.5.1", features = ["spin_no_std"] }
spin_no_std = spin

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.

spin spin_no_std?