futures-io-preview 0.3.0-alpha.3

The `AsyncRead` and `AsyncWrite` traits for the futures-rs library.
Build #112717 2018-08-15T00:16:42.496873+00:00
# rustc version
rustc 1.28.0-dev (b9bf4f162 2018-06-02)# docs.rs version
cratesfyi 0.5.0 (579f83b 2018-03-05)# build log
Updating registry `https://github.com/rust-lang/crates.io-index`
Downloading futures-io-preview v0.3.0-alpha.3
thread 'main' panicked at 'Error(
CargoError(
no matching version `^0.3.0-alpha.3` found for package `futures-preview` (required by `futures-io-preview`)
location searched: registry https://github.com/rust-lang/crates.io-index
versions found: 0.2.2
),
State {
next_error: None,
backtrace: None
}
)', src/bin/cratesfyi.rs:142:13
note: Run with `RUST_BACKTRACE=1` for a backtrace.