From d24f729ebe1e39ef5629a56c595cd854f289b3a9 Mon Sep 17 00:00:00 2001
From: Zhizhen He <hezhizhen.yi@gmail.com>
Date: Thu, 4 Dec 2025 07:14:21 +0800
Subject: [PATCH] ci: fix github action syntax for variables (#2998)

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`${ runner.os }` -> `${{ runner.os }}`

## Checks
- [x] I am happy for maintainers to push small adjustments to this PR,
to speed up the review cycle
- [x] I have checked that there are no existing pull requests for the
same thing
---
 .github/workflows/rust.yml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 33a1ff22..4b8b2fa7 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -110,7 +110,7 @@ jobs:
             ~/.cargo/registry
              ~/.cargo/git
              target
-          key: ${ runner.os }-cargo-debug-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-debug-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Run cargo test
         run: cargo nextest run --lib --bins
@@ -135,7 +135,7 @@ jobs:
             ~/.cargo/registry
              ~/.cargo/git
              target
-          key: ${ runner.os }-cargo-debug-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-debug-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Run cargo check (all features)
         run: cargo check --all-features --workspace
@@ -184,7 +184,7 @@ jobs:
             ~/.cargo/registry
              ~/.cargo/git
              target
-          key: ${ runner.os }-cargo-debug-${{ hashFiles('**/Cargo.lock') }}
+          key: ${{ runner.os }}-cargo-debug-${{ hashFiles('**/Cargo.lock') }}
 
       - name: Run cargo test
         run: cargo nextest run --test '*'