diff --git a/alloy.py b/alloy.py
index 9b64d2be..c08443a4 100755
--- a/alloy.py
+++ b/alloy.py
@@ -377,6 +377,7 @@ def validation_run(only, only_targets, reference_branch, number, notify, update,
         print_debug("\n\nStability validation run\n\n", False, "")
         stability = options_for_drivers()
 # stability constant options
+        stability.save_bin = False
         stability.random = False
         stability.ispc_flags = ""
         stability.compiler_exe = None
diff --git a/run_tests.py b/run_tests.py
index 1fb5a60c..c9d8f2ff 100755
--- a/run_tests.py
+++ b/run_tests.py
@@ -64,8 +64,8 @@ def run_command(cmd):
         sp = subprocess.Popen(arg_list, stdin=None,
                           stdout=subprocess.PIPE,
                           stderr=subprocess.PIPE)
-    except:
-        print_debug("ERROR: The child (%s) raised an esception: %s\n" % (cmd, sys.exc_info()[1]), s, run_tests_log)
+    except: 
+        print_debug("ERROR: The child (%s) raised an exception: %s\n" % (cmd, sys.exc_info()[1]), s, run_tests_log)
         raise
 
     out = sp.communicate()
@@ -320,7 +320,7 @@ def run_tasks_from_queue(queue, queue_ret, queue_skip, total_tests_arg, max_test
         os.chdir(tmpdir)
     else:
         olddir = ""
-        
+    
     compile_error_files = [ ]
     run_error_files = [ ]
     skip_files = [ ]
@@ -347,7 +347,8 @@ def run_tasks_from_queue(queue, queue_ret, queue_skip, total_tests_arg, max_test
             try:
                 (compile_error, run_error) = run_test(filename)
             except:
-                sys.exit(-1) # This is in case the child has unexpectedly died
+                print_debug("ERROR: run_test function raised an exception: %s\n" % (sys.exc_info()[1]), s, run_tests_log)
+                sys.exit(-1) # This is in case the child has unexpectedly died or some other exception happened
             
             if compile_error != 0:
                 compile_error_files += [ filename ]