Espruino on ESP32

I just recieved my esp32 supporting board, soldered ESP-32S (blue one).

when powering up i got this in a serial terminal:

rst:0x1 (POWERON_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT)
configsip: 0, SPIWP:0x00
clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00
mode:DIO, clock div:2
load:0x3ffc0000,len:0
load:0x3ffc0000,len:2568
load:0x40078000,len:4092
load:0x40098000,len:704
entry 0x400981dc
I (26) boot: Espressif ESP32 2nd stage bootloader v. V0.1
I (33) boot: compile time 09:30:50
D (54) boot: mmu set paddr=00000000 count=1
D (54) boot: magic e9
D (54) boot: blocks 04
D (54) boot: spi_mode 02
D (54) boot: spi_speed 00
D (56) boot: spi_size 02
I (60) boot: SPI Speed      : 40MHz
I (65) boot: SPI Mode       : DIO
I (69) boot: SPI Flash Size : 4MB
I (74) boot: Partition Table:
I (78) boot: ## Label            Usage          Type ST Offset   Length
D (87) boot: load partition table entry from 4000(3f404000)
D (95) boot: type=0 subtype=0
I (99) boot:  0 factory          factory app      00 00 00010000 00100000
D (109) boot: load partition table entry from 4020(3f404020)
D (117) boot: type=1 subtype=1
I (121) boot:  1 rfdata           RF data          01 01 00110000 00040000
D (131) boot: load partition table entry from 4040(3f404040)
D (139) boot: type=1 subtype=2
I (143) boot:  2 wifidata         WiFi data        01 02 00150000 00040000
D (153) boot: load partition table entry from 4060(3f404060)
D (161) boot: type=ff subtype=ff
I (165) boot: End of partition table
I (170) boot: Loading app partition at offset 00010000
D (177) boot: mmu set paddr=00010000 count=16
D (183) boot: bin_header: 233 8 2 2 40080780
I (189) boot: section 0: paddr=0x00000020 vaddr=0x00000000 size=0x0ffe8 ( 65512) 
D (200) boot: found drom section, map from 00010010 to 3f400010
I (208) boot: section 1: paddr=0x00010010 vaddr=0x3f400010 size=0x05b84 ( 23428) map
I (220) boot: section 2: paddr=0x00015b9c vaddr=0x3ffbf100 size=0x0130c (  4876) load
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                                                                 @I (280) heap_alloc_caps: Initializing heap allocator:
I (280) heap_alloc_caps: Region 19: 3FFC040C len 0001FBF4 tag 0
I (284) heap_alloc_caps: Region 23: 3FFE8000 len 00010000 tag 1
check b=0x3ffc0418 size=130008 ok
check b=0x3ffdfff0 size=0 ok
check b=0x3ffe800c size=65508 ok
I (306) cpu_start: Pro cpu up.
I (310) cpu_start: Single core mode
I (315) cpu_start: Pro cpu start user code
rtc v112 Sep 26 2016 22:32:10
XTAL 40M
I (348) cpu_start: Starting scheduler on PRO CPU.
D (350) nvs: init start=6 count=3
D (353) nvs: nvs_open misc 1
D (354) nvs: nvs_get_str_or_blob log
frc2_timer_task_hdl:3ffc4290, prio:22, stack:2048
tcpip_task_hdlxxx : 3ffc4ec4, prio:18,stack:2048
phy_version: 123, Sep 13 2016, 20:01:58, 0
D (486) nvs: nvs_open nvs.net80211 1
D (486) nvs: nvs_get opmode 1
D (486) nvs: nvs_get country 1
D (487) nvs: nvs_get_str_or_blob sta.ssid
D (491) nvs: nvs_get_str_or_blob sta.mac
D (494) nvs: nvs_get sta.authmode 1
D (497) nvs: nvs_get_str_or_blob sta.pswd
D (501) nvs: nvs_get_str_or_blob sta.pmk
D (505) nvs: nvs_get sta.chan 1
D (508) nvs: nvs_get auto.conn 1
D (511) nvs: nvs_get bssid.set 1
D (514) nvs: nvs_get_str_or_blob sta.bssid
D (517) nvs: nvs_get sta.phym 1
D (520) nvs: nvs_get sta.phybw 1
D (523) nvs: nvs_get_str_or_blob sta.apsw
D (527) nvs: nvs_get_str_or_blob sta.apinfo
D (531) nvs: nvs_get_str_or_blob ap.ssid
D (535) nvs: nvs_get_str_or_blob ap.mac
D (538) nvs: nvs_get_str_or_blob ap.passwd
D (542) nvs: nvs_get_str_or_blob ap.pmk
D (546) nvs: nvs_get ap.chan 1
D (548) nvs: nvs_get ap.authmode 1
D (551) nvs: nvs_get ap.hidden 1
D (554) nvs: nvs_get ap.max.conn 1
D (557) nvs: nvs_get bcn.interval 2
D (561) nvs: nvs_get ap.phym 1
D (563) nvs: nvs_get ap.phybw 1
D (566) nvs: nvs_get ap.sndchan 1
D (569) nvs: nvs_set_blob sta.mac 6
D (583) nvs: nvs_set_blob ap.mac 6
pp_task_hdl : 3ffc877c, prio:23, stack:8192
get wifi mode: 2
set wifi mode
get wifi ap mac: 0A:C4:03:03:FB:68
get wifi ap ssid: Ai-Thinker_ESP32_03FB68
get wifi ap password: 12345678
set wifi ap ...
get wifi sta ssid: 
get wifi sta password: 
set wifi sta ...
wifi start
mode : softAP(24:0a:c4:03:fb:69)
D (605) event: SYSTEM_EVENT_AP_START
V (607) event: enter default callback
dhcp server start:(ip: 192.168.4.1, mask: 255.255.255.0, gw: 192.168.4.1)
V (617) event: exit default callback
Ai-Thinker Technology Co. Ltd.
Oct 13 2016 09:39:50
start led blink task.
start http server task.
Welcome to use ESP-32S Module !
Welcome to use ESP-32S Module !

The last line is repeating...

I press the reset and io0 and then release the reset, then io0, in serial terminal i got this:

rst:0x1 (POWERON_RESET),boot:0x3 (DOWNLOAD_BOOT(UART0/UART1/SDIO_REI_REO_V2))
waiting for download

Then I try to flash it:

hygy@hygy-ThinkPad-E450:~/work/espruino/esp32/esptool(master % u=)$ ./esptool.py --port /dev/ttyUSB1 --baud 230400 write_flash -z --flash_mode dio --flash_freq 40m --flash_size 16MB 0x1000 ../bootloader.bin 0x10000 ../espruino_esp32.bin 0x8000 ../partitions_singleapp.bin 
esptool.py v2.0-beta1
Connecting....
Detecting chip type... ESP32
Uploading stub...

A fatal error occurred: Invalid head of packet ('\x00')

What I'm doing wrong?