Add hint for cargo metadata in environment section

rust-lang · Aug 24, 2021 · 6473593 · 6473593
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commit 6473593
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/doc/src/reference/environment-variables.md b/src/doc/src/reference/environment-variables.md
@@ -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`.