[tor-bugs] #24765 [Core Tor/Tor]: What version of Rust does Tor require for 0.3.2?

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#24765: What version of Rust does Tor require for 0.3.2?
---------------------------+------------------------------------
 Reporter:  teor           |          Owner:  (none)
     Type:  task           |         Status:  new
 Priority:  Medium         |      Milestone:  Tor: 0.3.2.x-final
Component:  Core Tor/Tor   |        Version:
 Severity:  Normal         |     Resolution:
 Keywords:  tor-rust, doc  |  Actual Points:  0.1
Parent ID:                 |         Points:  0.1
 Reviewer:                 |        Sponsor:
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Old description:

> On #24761, Sebastian says that we require Rust 1.14, but I can't see that
> documented anywhere.
>
> We should document it:
> * in the release notes
> * in the wiki: https://trac.torproject.org/projects/tor/wiki/RustInTor
>
> And point to it from:
> *
> https://gitweb.torproject.org/tor.git/tree/doc/HACKING/GettingStartedRust.md
>
> And document the nightly/feature thing in our coding standards:
> *
> https://gitweb.torproject.org/tor.git/tree/doc/HACKING/CodingStandardsRust.md

New description:

 On #24761, Sebastian says that we require Rust ~~1.14~~, but I can't see
 that documented anywhere.

 We should document it:
 * in the release notes
 * in the wiki: https://trac.torproject.org/projects/tor/wiki/RustInTor

 And point to it from:
 *
 https://gitweb.torproject.org/tor.git/tree/doc/HACKING/GettingStartedRust.md

 And document the nightly/feature thing in our coding standards:
 *
 https://gitweb.torproject.org/tor.git/tree/doc/HACKING/CodingStandardsRust.md

--

Comment (by teor):

 We actually require Rust 1.18 for HashSet retain in protover.rs.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/24765#comment:1>
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