diff --git a/.forgejo/workflows/grade.yml b/.forgejo/workflows/grade.yml
index ac8daa3..ec53f28 100644
--- a/.forgejo/workflows/grade.yml
+++ b/.forgejo/workflows/grade.yml
@@ -20,7 +20,7 @@ jobs:
             -v "$PWD":/work \
             -v /opt/grade/grade.env:/run/secrets/grade.env:ro \
             -v /opt/grade-hidden/cs2060/record-manager:/hidden:ro \
+            -v /opt/grade/runner-diag:/diag \
             grade-c:dev \
-            sh -c 'set -a; . /run/secrets/grade.env; set +a; python3 /opt/grade/grade_cli.py run --student /work --hidden /hidden --course CS2060 --assignment record-manager --out /work/results.json'
-          echo "--- signed result summary ---"
-          head -c 400 results.json
+            sh -c 'set -a; . /run/secrets/grade.env; set +a; { echo "SECRET_LEN=${#GRADE_HMAC_SECRET}"; python3 /opt/grade/grade_cli.py run --student /work --hidden /hidden --course CS2060 --assignment record-manager --out /work/results.json; } 2>&1 | tee /diag/latest.log'
+          echo "job-step exit=$?"