Cargo Features
ex3-common-error-info has no features set by default.
[dependencies]
ex3-common-error-info = { version = "0.15.2", features = ["canister"] }- canister = candid
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.