Grunt-newer incompatibility about time-grunt HOT 3 CLOSED

grunt serve
----------------------------------------------------------------------------------
Running "serve" task

Running "clean:server" (clean) task
Cleaning .tmp...OK

Running "concurrent:server" (concurrent) task

    Running "copy:styles" (copy) task


    Done, without errors.

    Elapsed time
    loading tasks  3ms  ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 30%
    copy:styles    7ms  ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 70%
    Total 10ms

    Running "compass:server" (compass) task
    directory .tmp/styles/
       create .tmp/styles/main.css (1.178s)
    Compilation took 1.179s

    Done, without errors.

    Elapsed time
    compass:server  2s  ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 100%
    Total 2s

Running "autoprefixer:dist" (autoprefixer) task
Prefixed file ".tmp/styles/main.css" created.

Running "connect:livereload" (connect) task
Started connect web server on 127.0.0.1:9000.

Running "watch" task
Waiting...OK
>> File "app/scripts/app.js" changed.

Running "newer:jshint:all" (newer) task

Running "jshint:all" (jshint) task

✔ No problems


Running "newer-timestamp:jshint:all:/Users/eddie/Desktop/test/node_modules/grunt-newer/.cache" (newer-timestamp) task

Running "newer-reconfigure:jshint:all:1" (newer-reconfigure) task

Done, without errors.

Elapsed time
Warning: Invalid array length Use --force to continue.

Aborted due to warnings.
Completed in 2.227s at Wed Nov 20 2013 12:03:18 GMT-0800 (PST) - Waiting...
OK
>> File "app/scripts/app.js" changed.

Running "newer:jshint:all" (newer) task

Running "jshint:all" (jshint) task

app/scripts/app.js
  line 3  col 1  'what' is not defined.
  line 3  col 8  'help' is not defined.

✖ 2 problems

Warning: Task "jshint:all" failed. Use --force to continue.

Aborted due to warnings.

Elapsed time
loading tasks      2ms  ▇▇ 3%
newer:jshint:all   5ms  ▇▇▇▇ 6%
jshint:all        70ms  ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇ 90%
Total 78ms
Completed in 2.222s at Wed Nov 20 2013 12:03:32 GMT-0800 (PST) - Waiting...