avrdude -v -p atmega32u4 -C /home/sergio/.platformio/packages/tool-avrdude/avrdude.conf -c stk500v1 -b 19200 -P "/dev/ttyACM0" -D -U f
lash:w:.pioenvs/attiny/firmware.hex:i
/bin/bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)

Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch


avrdude: Version 6.3, compiled on Sep 12 2016 at 15:21:49
System wide configuration file is "/home/sergio/.platformio/packages/tool-avrdude/avrdude.conf"
User configuration file is "/home/sergio/.avrduderc"
User configuration file does not exist or is not a regular file, skipping

Using Port                    : /dev/ttyACM0
Using Programmer              : stk500v1
Overriding Baud Rate          : 19200
AVR Part                      : ATmega32U4
Chip Erase delay              : 9000 us
PAGEL                         : PD7
BS2                           : PA0
RESET disposition             : dedicated
RETRY pulse                   : SCK
serial program mode           : yes
parallel program mode         : yes
Timeout                       : 200
StabDelay                     : 100
CmdexeDelay                   : 25
SyncLoops                     : 32
ByteDelay                     : 0
PollIndex                     : 3
PollValue                     : 0x53
Memory Detail                 :


Block Poll               Page                       Polled
Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
eeprom        65    20     4    0 no       1024    4      0  9000  9000 0x00 0x00
flash         65     6   128    0 yes     32768  128    256  4500  4500 0x00 0x00
lfuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
hfuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
efuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
lock           0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
calibration    0     0     0    0 no          1    0      0     0     0 0x00 0x00
signature      0     0     0    0 no          3    0      0     0     0 0x00 0x00

Programmer Type : STK500
Description     : Atmel STK500 Version 1.x firmware
Hardware Version: 2
Firmware Version: 1.18
Topcard         : Unknown
Vtarget         : 0.0 V
Varef           : 0.0 V
Oscillator      : Off
SCK period      : 0.1 us

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.05s

Double check chip, or use -F to override this check.
avrdude: Device signature = 0x1e930b (probably t85)
avrdude: Expected signature for ATmega32U4 is 1E 95 87


avrdude done.  Thank you.
*** [upload] Error 1
========================== [ERROR] Took 5.49 seconds ==========================