Cargo Features

[dependencies]
ink_storage = { version = "5.0.0", default-features = false, features = ["std", "ink-fuzz-tests"] }
default = std

The std feature is set by default whenever ink_storage is added without default-features = false somewhere in the dependency tree.

std default ink-fuzz-tests?

Enables std of ink_env, ink_metadata, ink_prelude, ink_primitives, ink_storage_traits, parity-scale-codec, and scale-info

ink-fuzz-tests = std

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.

ink_metadata std
scale-info std