diff --git a/.rultor.yml b/.rultor.yml
index 42b0d64a..e1542072 100644
--- a/.rultor.yml
+++ b/.rultor.yml
@@ -38,7 +38,7 @@ release:
     repo=yegor256/cam
     sudo docker build --no-cache --tag "${repo}:${tag}" "$(pwd)"
     mkdir /tmp/dataset
-    sudo docker run --rm "${repo}:${tag}" 'make install env lint test'
+    sudo docker run --rm "${repo}:${tag}" make install env lint test
     cat ../docker-password | \
       sudo docker login --password-stdin --username yegor256
     sudo docker push "${repo}:${tag}"
diff --git a/steps/report.sh b/steps/report.sh
index 0b8481cf..66fb35cd 100755
--- a/steps/report.sh
+++ b/steps/report.sh
@@ -65,7 +65,12 @@ fi
 
 dest=${t}/report.pdf
 if ! TARGET="${t}" latexmk -pdf -r "${tmp}/.latexmkrc" -quiet -cd "${tmp}/report.tex"; then
-    cat "${tmp}/report.log"
+    if [ -e "${tmp}/report.log" ]; then
+        cat "${tmp}/report.log"
+        echo "Failed to generate PDF report with LaTeX, see the log above"
+    else
+        echo "Failed to generate PDF report with LaTeX, there is no log file visible"
+    fi
     exit 1
 fi
 cp "${pdf}" "${dest}"