Cargo Features

shared-bus-rtic has no features set by default.

[dependencies]
shared-bus-rtic = { version = "0.2.3+deprecated", features = ["thumbv6"] }
thumbv6 = cortex-m

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.

cortex-m thumbv6?

Enables cortex-m ^0.6