diff --git a/.github/workflows/unstable_amd64.yml b/.github/workflows/unstable_amd64.yml
index ae7823a5c2..dbd04cc018 100644
--- a/.github/workflows/unstable_amd64.yml
+++ b/.github/workflows/unstable_amd64.yml
@@ -45,6 +45,7 @@ jobs:
       - id: generate
         run: |
           JOB_STRATEGY_MATRIX=$(./.ci/get_build_matrix.sh unstable amd64)
+          cat /tmp/log.txt
           echo "::set-output name=job-strategy-matrix::$JOB_STRATEGY_MATRIX"
 
   build-job: