Cargo Features

get_sys_info has no features set by default.

[dependencies]
get_sys_info = { version = "0.1.21", features = ["serde"] }
serde = serde-feature-hack

Enables serde of chrono and readable_byte

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.

serde-feature-hack serde?