RUSTSEC-2020-0016: `net2` crate has been deprecated; use `socket2` instead

[github-actions[bot]]

net2 crate has been deprecated; use socket2 instead

Details
Status	unmaintained
Package	net2
Version	0.2.34
URL	https://github.com/deprecrated/net2-rs/commit/3350e3819adf151709047e93f25583a5df681091
Date	2020-05-01

The net2 crate has been deprecated and users are encouraged to considered socket2 instead.

See advisory page for additional details.

[alepez]

Crate:  net2
Title:  `net2` crate has been deprecated; use `socket2` instead
Date:   2020-05-01
URL:    https://rustsec.org/advisories/RUSTSEC-2020-0016
Dependency tree:
net2 0.2.34
├── miow 0.2.1
│   └── mio 0.6.22
│       ├── tokio-uds 0.2.7
│       │   └── tokio 0.1.22
│       │       ├── jsonrpc-server-utils 14.2.0
│       │       │   └── jsonrpc-http-server 14.2.0
│       │       │       └── devand-mailer 0.1.0
│       │       │           └── devand-web 0.1.0
│       │       ├── hyper 0.12.35
│       │       └── devand-mailer 0.1.0
│       ├── tokio-udp 0.1.6
│       │   └── tokio 0.1.22
│       ├── tokio-tcp 0.1.4
│       │   ├── tokio 0.1.22
│       │   └── hyper 0.12.35
│       ├── tokio-reactor 0.1.12
│       │   ├── tokio-uds 0.2.7
│       │   ├── tokio-udp 0.1.6
│       │   ├── tokio-tcp 0.1.4
│       │   ├── tokio 0.1.22
│       │   └── hyper 0.12.35
│       ├── tokio 0.1.22
│       ├── notify 4.0.15
│       │   └── rocket_contrib 0.4.5
│       │       └── devand-web 0.1.0
│       ├── mio-uds 0.6.8
│       │   └── tokio-uds 0.2.7
│       └── mio-extras 2.0.6
│           └── notify 4.0.15
├── mio 0.6.22
├── jsonrpc-http-server 14.2.0
└── hyper 0.12.35

[alepez]

net2 is required by mio 0.6.22, required by jsonrpc-http-server

[alepez]

https://github.com/paritytech/jsonrpc/issues/575