RUSTSEC-2020-0077: memmap is unmaintained

[github-actions[bot]]

memmap is unmaintained

Details
Status	unmaintained
Package	memmap
Version	0.7.0
URL	https://github.com/danburkert/memmap-rs/issues/90
Date	2020-12-02

The author of the memmap crate is unresponsive.

Maintained alternatives:

• mapr
• memmap2

See advisory page for additional details.

[str4d]

This is pulled in by pprof:

age v0.6.0 (/home/str4d/dev/rust/rage/age)
[dev-dependencies]
└── pprof v0.4.4
    └── symbolic-demangle v8.3.0
        └── symbolic-common v8.3.0
            └── memmap v0.7.0

[str4d]

This was closed by afa634fb7724ccc1434653c43581fd4f07edc20c in #296.