Print only the failed log

.ci/fail.sh

 #!/bin/bash
 
 for f in $(find . -name '*.log' -not -name 'config.log'); do
-    echo '====' $f '===='
-    cat $f
+    if [[ $(tail -1 $f) = FAIL* ]]; then
+        echo '====' $f '===='
+        cat $f
+    fi
 done
 
 # Intentionally exiting with non-zero.