Latest development build

Bump libc from 0.2.185 to 0.2.186 (#143)

Bumps [libc](https://github.com/rust-lang/libc) from 0.2.185 to 0.2.186.
- [Release notes](https://github.com/rust-lang/libc/releases)
- [Changelog](https://github.com/rust-lang/libc/blob/0.2.186/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/libc/compare/0.2.185...0.2.186)

---
updated-dependencies:
- dependency-name: libc
  dependency-version: 0.2.186
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

v0.1.2

• Handle failed mounts better, with an appropriate message and error
  code.
• Revise exit codes: 0 means success, 1 means FS error, 2 means CLI
  error.
• --time flag for emitting timing information on STDERR.
• Basic startup/shutdown benchmarking, with microbenchmarks.
• Upgrade to fuser 0.9.1. Concomitant bugfixes turn off AutoUnmount.
• Improvements/bugfixes in regression tests.

ffs v0.1.1

• Extended attribute user.type manages metadata.
• Ignore macOS extended attribute files ._*.
• --pretty flag for JSON and TOML.
• Wrote INSTALL.md.
• Improved manpage.
• --new flag for starting from an empty filesystem.
• --munge flag for controlling renaming; revised renaming policy. Restore files whose names are munged.

ffs v0.1.0

Initial release.

Binaries are in ffs.platform.