Update chrono requirement from =0.4.35 to =0.4.38

[dependabot]

Updates the requirements on chrono to permit the latest version.

Release notes

Sourced from chrono's releases.

v0.4.38

This release bring a ca. 20% improvement to the performance of the formatting code, and a convenient days_since method for the Weekday type.

Chrono 0.4.38 also removes the long deprecated rustc-serialize feature. Support for rustc-serialize will be soft-destabilized in the next Rust edition. Removing the feature will not break existing users of the feature; Cargo will just not update dependents that rely on it to newer versions of chrono.

In chrono 0.4.36 we made an accidental breaking change by switching to derive(Copy) for DateTime instead of a manual implementation. It is reverted in this release.

Removals

• Remove rustc-serialize feature (#1548, thanks @​workingjubilee)

Additions

• Add Weekday::days_since (#1249, based on #216 by @​clarfonthey)
• Add TimeDelta::checked_mul and TimeDelta::checked_div (#1565, thanks @​Zomtir)

Fixes

• Return error when rounding with a zero duration (#1474, thanks @​Dav1dde)
• Manually implement Copy for DateTime if offset is Copy (#1573)

Internal

• Inline test_encodable_json and test_decodable_json functions (#1550)
• CI: Reduce combinations in cargo hack check (#1553)
• Refactor formatting code (#1335)
• Optimize number formatting (#1558)
• Only package files needed for building and testing (#1554)

Thanks to all contributors on behalf of the chrono team, @​djc and @​pitdicker!

Changelog

Sourced from chrono's changelog.

ChangeLog for Chrono

This documents notable changes to Chrono up to and including version 0.4.19. For later releases, please review the release notes on GitHub.

0.4.19

• Correct build on solaris/illumos

0.4.18

• Restore support for x86_64-fortanix-unknown-sgx

0.4.17

• Fix a name resolution error in wasm-bindgen code introduced by removing the dependency on time v0.1

0.4.16

Features

• Add %Z specifier to the FromStr, similar to the glibc strptime (does not set the offset from the timezone name)

• Drop the dependency on time v0.1, which is deprecated, unless the oldtime feature is active. This feature is active by default in v0.4.16 for backwards compatibility, but will likely be removed in v0.5. Code that imports time::Duration should be switched to import chrono::Duration instead to avoid breakage.

0.4.15

Fixes

• Correct usage of vec in specific feature combinations (@​quodlibetor)

0.4.14 YANKED

Features

• Add day and week iterators for NaiveDate (@​gnzlbg & @​robyoung)
• Add a Month enum (@​hhamana)
• Add locales. All format functions can now use locales, see the documentation for the unstable-locales feature.
• Fix Local.from_local_datetime method for wasm

Improvements

... (truncated)

Commits

• 352a352 Prepare 0.4.38
• 46d44d6 Manually implement Copy for DateTime if offset is Copy
• 760eb66 Update windows-bindgen requirement from 0.55 to 0.56
• 391187f Return error when rounding with zero duration
• ffc75e5 Add TimeDelta::checked_mul and TimeDelta::checked_div
• f8cecbe Make Weekday::num_days_from public, rename to days_since.
• 0cfc405 Optimize number formatting
• 74ba83b Take pad by value
• 78e79db Match on tuples in format_fixed
• f3d76c7 Match on tuples in format_numeric
• Additional commits viewable in compare view

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