cargo audit give errors and warnings

[niczy]

Run "cargo audit" gives following errors:

Crate: brotli-sys
Version: 0.3.2
Title: Integer overflow in the bundled Brotli C library
Date: 2021-12-20
ID: RUSTSEC-2021-0131
URL: https://rustsec.org/advisories/RUSTSEC-2021-0131
Solution: No safe upgrade is available!
Dependency tree:
brotli-sys 0.3.2
└── brotli2 0.3.2
└── actix-http 3.0.0-beta.10
└── actix-web 4.0.0-beta.9
└── keyhouse 0.1.0

Crate: chrono
Version: 0.4.19
Title: Potential segfault in localtime_r invocations
Date: 2020-11-10
ID: RUSTSEC-2020-0159
URL: https://rustsec.org/advisories/RUSTSEC-2020-0159
Solution: No safe upgrade is available!
Dependency tree:
chrono 0.4.19
├── x509-parser 0.9.2
│ └── spire-workload 1.1.4
│ └── keyhouse 0.1.0
├── simple_asn1 0.4.1
│ └── jsonwebtoken 7.2.0
│ └── spire-workload 1.1.4
├── sentry-types 0.23.0
│ └── sentry-core 0.23.0
│ ├── sentry-panic 0.23.0
│ │ └── sentry 0.23.0
│ │ └── keyhouse 0.1.0
│ ├── sentry-contexts 0.23.0
│ │ └── sentry 0.23.0
│ ├── sentry-backtrace 0.23.0
│ │ ├── sentry-panic 0.23.0
│ │ └── sentry 0.23.0
│ └── sentry 0.23.0
└── sentry-core 0.23.0

Crate: time
Version: 0.1.43
Title: Potential segfault in the time crate
Date: 2020-11-18
ID: RUSTSEC-2020-0071
URL: https://rustsec.org/advisories/RUSTSEC-2020-0071
Solution: Upgrade to >=0.2.23
Dependency tree:
time 0.1.43

Crate: net2
Version: 0.2.37
Warning: unmaintained
Title: net2 crate has been deprecated; use socket2 instead
Date: 2020-05-01
ID: RUSTSEC-2020-0016
URL: https://rustsec.org/advisories/RUSTSEC-2020-0016
Dependency tree:
net2 0.2.37
├── miow 0.2.2
└── mio 0.6.23

Crate: stdweb
Version: 0.4.20
Warning: unmaintained
Title: stdweb is unmaintained
Date: 2020-05-04
ID: RUSTSEC-2020-0056
URL: https://rustsec.org/advisories/RUSTSEC-2020-0056
Dependency tree:
stdweb 0.4.20
└── time 0.2.27

Crate: sha2
Version: 0.9.8
Warning: yanked
Dependency tree:
sha2 0.9.8
└── keyhouse 0.1.0