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beta compiler is not needed anymore
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@@ -6,18 +6,12 @@ This page contains OS-agnostic installation instructions for a few of the tools:
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Install rustup by following the instructions at [https://rustup.rs](https://rustup.rs).
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Then switch to the beta channel.
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``` console
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$ rustup default beta
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```
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**NOTE** Make sure you have a beta equal to or newer than `1.31-beta`. `rustc
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**NOTE** Make sure you have a compiler version equal to or newer than `1.31`. `rustc
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-V` should return a date newer than the one shown below.
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``` console
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$ rustc -V
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rustc 1.31.0-beta.4 (04da282bb 2018-11-01)
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rustc 1.31.1 (b6c32da9b 2018-12-18)
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```
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For bandwidth and disk usage concerns the default installation only supports
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