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Auto merge of #9836 - Firstyear:9804-cargo-docs-improve, r=alexcrichton

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Add hint for cargo metadata in environment section

Fixes #9804
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bors 2021-08-24 14:06:23 +00:00
commit 851defd301
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src/doc/src/reference/environment-variables.md
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@ -378,3 +378,5 @@ Cargo exposes this environment variable to 3rd party subcommands
(ie. programs named `cargo-foobar` placed in `$PATH`):
* `CARGO` — Path to the `cargo` binary performing the build.
For extended information about your environment you may run `cargo metadata`.