Cargo Features

[dependencies]
libproc = { version = "0.14.8", default-features = false, features = ["macosx_10_9"] }
default = macosx_10_9

The macosx_10_9 feature is set by default whenever libproc is added without default-features = false somewhere in the dependency tree.

macosx_10_9 default

Affects pid_rusage::pidrusage