Many warnings about this

[miketang84]

like this.

warning: use of deprecated item 'tokio_io::codec::length_delimited': Moved to tokio-codec
  --> protocols/secio/src/handshake.rs:46:5
   |
46 | use tokio_io::codec::length_delimited;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: #[warn(deprecated)] on by default

[dvdplm]

Yes, it's a bit frustrating. The issue is here and a PR to fix it here.

[tomaka]

This has been fixed through #1328