Carl Lerche 06c473e628
Update Tokio to use std::future. (#1120)
A first pass at updating Tokio to use `std::future`.

Implementations of `Future` from the futures crate are updated to implement
`Future` from std. Implementations of `Stream` are moved to a feature flag.

This commits disables a number of crates that have not yet been updated.
2019-06-24 12:34:30 -07:00
..
2019-05-14 10:27:36 -07:00