Cargo Features

crypto-hashes has no features set by default.

[dependencies]
crypto-hashes = { version = "0.10.0", features = ["include_weak"] }
include_weak = gost94, md-5, md2, md4, sha-1, streebog

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.

gost94 include_weak?
md-5 include_weak?
md2 include_weak?
md4 include_weak?
sha-1 include_weak?
streebog include_weak?