Use time crate in bootstrap dist instead of date

[onur]

bootstrap dist command is trying to run *NIX specific date command to get current month and year. This command keep failing when it's called on a Windows command prompt. This patch is making it use time crate.

Closes: #47908

[rust-highfive]

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[pietroalbini]

Thanks for the PR! We’ll periodically check in on it to make sure that @nikomatsakis or someone else from the team reviews it soon.

[nikomatsakis]

r? @Mark-Simulacrum

Seems fine to me, but I don't feel like I own this code.

[onur]

Looks like it's been added in #46514

[Mark-Simulacrum]

I won't have time in the near future to look at this and we may want a beta backport (not sure if this same problem is on beta). So.... r? @alexcrichton, if I have time I'll steal it back.

[alexcrichton]

@bors: r+

[bors]

📌 Commit 1461d12 has been approved by alexcrichton

[zackmdavis]

@Mark-Simulacrum

we may want a beta backport (not sure if this same problem is on beta).

Yes, this should be backported to beta. (#46514—of which the author deeply regrets the oversight leading to the necessity of this PR and thanks @onur for catching it—landed 5 December, and the 1.23-stable-release/1.24-beta-train-departure date was 4 January.)

[Mark-Simulacrum]

If anyone wants to take care of the beta backport that would be most welcome!