utmp-classic

utmp-classic is used at run time in 4 crates (of which 4 optionally). It is a direct run-time dependency in 3 crates.

Depender (with downloads and own rev deps)			utmp-classic version
17K	118	uucore	optional	^0.1.6
170	1	uu_uptime		^0.1.6
160	1	uu_users		^0.1.6