`malloc_buf` is unmaintained and unsound

[Nugine]

Links:

• https://github.com/SSheldon/malloc_buf
• https://crates.io/crates/malloc_buf
• https://lib.rs/crates/malloc_buf

Last actions:

• Last commit on 2020-06-30
• Last release on 2017-02-20

Unsoundness:

• https://github.com/SSheldon/malloc_buf/issues/4

Dependents:

• Direct dependents on crates.io: 3
• Transitive dependents on github: 55,894
• Used at run time in 2,243 crates (of which 2,190 optionally, 3 directly).
• Used only as a dev dependency in 261 crates.

Downloads:

• All time: 3,579,544
• Recent: 537,970
• Per month: 219,080