Update to socket2 v0.6

[Thomasdezeeuw]

No description provided.

[Thomasdezeeuw]

CI failure is unrelated to my changes:

error: elided lifetime has a name
   --> src/fs/create_dir_all.rs:127:78
    |
127 |     fn recurse_create_dir_all<'a>(&'a self, path: &'a Path) -> LocalBoxFuture<io::Result<()>> {
    |                               -- lifetime `'a` declared here                 ^ this elided lifetime gets resolved as `'a`
    |
    = note: `-D elided-named-lifetimes` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(elided_named_lifetimes)]`

[Darksonn]

See #330.

[Darksonn]

We added a SockAddrStorage::view_as() method for exactly this kind of pointer cast.

[Thomasdezeeuw]

I tried that as well, but SockAddr::try_init uses a raw pointer view_as uses a mutable reference. We could dereference first, then view though if you prefer.