# Rust 2018 (1.31.0) prerelease testing

**URL:** <https://internals.rust-lang.org/t/rust-2018-1-31-0-prerelease-testing/8951>\
**Category:** announcements\
**Created:** [December 3, 2018, 10:54pm UTC](https://internals.rust-lang.org/t/rust-2018-1-31-0-prerelease-testing/8951 "2018-12-03T22:54:49Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![alexcrichton](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/alexcrichton/32/4501_2.png) [@alexcrichton](https://internals.rust-lang.org/u/alexcrichton)\
**Post date:** [December 3, 2018, 10:54pm UTC](https://internals.rust-lang.org/t/rust-2018-1-31-0-prerelease-testing/8951/1 "2018-12-03T22:54:49Z")

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The Rust 2018 (1.31.0) prerelease is ready for testing. It’s scheduled to be released on Thursday the 6th. Release notes can be found here: [https://github.com/rust-lang/rust/blob/stable/RELEASES.md](https://github.com/rust-lang/rust/blob/stable/RELEASES.md).

You can try it out locally with:

```bash
RUSTUP_DIST_SERVER=https://dev-static.rust-lang.org rustup update stable

```

The index is [https://dev-static.rust-lang.org/dist/2018-12-03/index.html](https://dev-static.rust-lang.org/dist/2018-12-03/index.html).

This is following on the heels on our [previous announcement for testing](https://internals.rust-lang.org/t/announcing-rust-2018-beta-release/8901/15), and we’re entering the final stages now!

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**Author:** ![pietroalbini](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/pietroalbini/32/10694_2.png) [@pietroalbini](https://internals.rust-lang.org/u/pietroalbini)\
**Post date:** [December 4, 2018, 11:49pm UTC](https://internals.rust-lang.org/t/rust-2018-1-31-0-prerelease-testing/8951/2 "2018-12-04T23:49:36Z")

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Note that we’re going to rebuild the 1.31.0 binaries to [include a few critical changes](https://github.com/rust-lang/rust/pull/56518). Updated binaries should be up tomorrow.

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**Author:** ![Mark\_Simulacrum](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/mark_simulacrum/32/2853_2.png) [@Mark\_Simulacrum](https://internals.rust-lang.org/u/Mark_Simulacrum)\
**Post date:** [December 5, 2018, 3:14am UTC](https://internals.rust-lang.org/t/rust-2018-1-31-0-prerelease-testing/8951/3 "2018-12-05T03:14:57Z")

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The new binaries are out now; please let us know if you run into any problems.

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**Author:** ![cuviper](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/cuviper/32/1897_2.png) [@cuviper](https://internals.rust-lang.org/u/cuviper)\
**Post date:** [December 5, 2018, 4:41am UTC](https://internals.rust-lang.org/t/rust-2018-1-31-0-prerelease-testing/8951/4 "2018-12-05T04:41:50Z")

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I suppose that’s here: [https://dev-static.rust-lang.org/dist/2018-12-05/index.html](https://dev-static.rust-lang.org/dist/2018-12-05/index.html)

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**Author:** ![alexcrichton](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/alexcrichton/32/4501_2.png) [@alexcrichton](https://internals.rust-lang.org/u/alexcrichton)\
**Post date:** [March 25, 2019, 8:31am UTC](https://internals.rust-lang.org/t/rust-2018-1-31-0-prerelease-testing/8951/5 "2019-03-25T08:31:15Z")

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Closed on March 25, 2019, 8:31am UTC

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