Libraries must be patched before compiling
/libraries/DigisparkKeyboard/

------------------------------------------------------------
File: usbconfig.h
------------------------------------------------------------

Find and change these #define values to:

#define USB_CFG_IMPLEMENT_FN_WRITE      1
#define USB_CFG_IMPLEMENT_FN_WRITEOUT   1
#define USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH    53

------------------------------------------------------------
File: DigiKeyboard.h
------------------------------------------------------------

Find:

     0x81, 0x00,                    //   INPUT (Data,Ary,Abs)
     0xc0                           // END_COLLECTION

Replace with:

     0x81, 0x00,                    //   INPUT (Data,Ary,Abs)
     0x05, 0x08,                    //   USAGE_PAGE (LEDs)
     0x19, 0x01,                    //   USAGE_MINIMUM (Num Lock)
     0x29, 0x05,                    //   USAGE_MAXIMUM (Kana)
     0x95, 0x05,                    //   REPORT_COUNT (5)
     0x75, 0x01,                    //   REPORT_SIZE (1)
     0x91, 0x02,                    //   OUTPUT (Data,Var,Abs) - 5 LED bits
     0x95, 0x01,                    //   REPORT_COUNT (1)
     0x75, 0x03,                    //   REPORT_SIZE (3)
     0x91, 0x03,                    //   OUTPUT (Const,Var,Abs) - padding
     0xc0                           // END_COLLECTION


Find inside usbFunctionSetup():

      } else if (rq->bRequest == USBRQ_HID_SET_IDLE) {
            idleRate = rq->wValue.bytes[1];
      }
    } else {

Replace with:

      } else if (rq->bRequest == USBRQ_HID_SET_IDLE) {
            idleRate = rq->wValue.bytes[1];
      } else if (rq->bRequest == USBRQ_HID_SET_REPORT) {
            return USB_NO_MSG;
      }
    } else {