From 33678a48c023ee5045cc1fc63ed0b9552de0c8f8 Mon Sep 17 00:00:00 2001
From: Predrag Gruevski <2348618+obi1kenobi@users.noreply.github.com>
Date: Tue, 17 Oct 2023 22:01:06 -0400
Subject: [PATCH] Add docs for the `cachekey` output to the README

It seems like it's being output, just wasn't documented: https://github.com/actions-rust-lang/setup-rust-toolchain/blob/main/action.yml#L144
---
 README.md | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 0f0b076..e9f8ae3 100644
--- a/README.md
+++ b/README.md
@@ -71,11 +71,12 @@ You can read more rustflags, and their load order, in the [Cargo reference].
 
 ## Outputs
 
-| Name             | Description                               |
-| ---------------- | ----------------------------------------- |
-| `rustc-version`  | Version as reported by `rustc --version`  |
-| `cargo-version`  | Version as reported by `cargo --version`  |
-| `rustup-version` | Version as reported by `rustup --version` |
+| Name             | Description                                 |
+| ---------------- | ------------------------------------------- |
+| `rustc-version`  | Version as reported by `rustc --version`    |
+| `cargo-version`  | Version as reported by `cargo --version`    |
+| `rustup-version` | Version as reported by `rustup --version`   |
+| `cachekey`       | A short hash of the installed rustc version |
 
 ## License