programmer is not responding

./opt/arduino-builder/arduino-builder -compile -core-api-version 10611 -hardware opt/arduino-builder/hardware -hardware ./opt/cores -tools opt/arduino-builder/tools -tools ./opt/tools -built-in-libraries opt/libraries/latest -logger humantags -fqbn arduino:avr:mega:cpu=atmega1280 -build-cache /tmp -build-path /tmp/579526865/build -verbose -libraries /tmp/579526865/custom -libraries /tmp/579526865/pinned /tmp/579526865/sketch_aug29a

Sketch uses 3996 bytes (3%) of program storage space. Maximum is 126976 bytes.

Global variables use 59 bytes (0%) of dynamic memory, leaving 8133 bytes for local variables. Maximum is 8192 bytes.

Programming with: Serial

Flashing with command:C:/Users/9MAKM/.arduino-create/arduino/avrdude/6.3.0-arduino9/bin/avrdude.exe -CC:/Users/9MAKM/.arduino-create/arduino/avrdude/6.3.0-arduino9/etc/avrdude.conf -q -q -patmega1280 -carduino -PCOM5 -b57600 -D -Uflash:w:C:/Users/9MAKM/AppData/Local/Temp/arduino-create-agent630800148/sketch_aug29a.hex:i

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x25

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x25

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x25

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x25

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x25

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x25

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x25

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x25

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x25

avrdude: stk500_recv(): programmer is not responding

avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x25

Not clear which board you have. From the parameters it seems that the mcu is ATmega1280 and speed is 57600baud. Is it correct? The type of error usually refers to the wrong board selected.