Cargo Features

rustzx-utils has no features set by default.

rustzx-utils = { version = "0.16.0", features = ["std"] }
std = flate2, log

Affects rustzx-utils::stopwatch, rustzx-utils::io

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.

log std?
flate2 std?