Cargo Features

[dependencies]
sysexits = { version = "0.8.4", default-features = false, features = ["std", "nightly", "extended_io_error"] }
default = std

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

std default extended_io_error?

Affects error::TryFromExitStatusError

nightly = extended_io_error
extended_io_error nightly? = std