Try to get error information upon crash in daca2 into log output

tools/daca2.py

@@ -178,6 +178,7 @@ def scanarchive(filepath, jobs):
     if p.returncode == 0:
         results.write(comm[1])
     elif comm[0].find('cppcheck: error: could not find or open any of the paths given.') < 0:
+        results.write(comm[1])
         results.write('Exit code is not zero! Crash?\n')
     results.write('\n')
     results.close()