Error when Compile SOLVED

Hello i am triying to compile the program example led blinking and i can't do it, i don't know why i have this error, it's about some pointer nulled.

When i burn the hex to the arduino the program works but i can't complie any program.

I am using linuxmint 17.2

Arduino:1.6.6 (Linux), Placa:"Arduino/Genuino Uno"

/home/num/Programas/arduino-1.6.6/arduino-builder -dump-prefs -logger=machine -hardware "/home/num/Programas/arduino-1.6.6/hardware" -tools "/home/num/Programas/arduino-1.6.6/tools-builder" -tools "/home/num/Programas/arduino-1.6.6/hardware/tools/avr" -built-in-libraries "/home/num/Programas/arduino-1.6.6/libraries" -libraries "/root/Arduino/libraries" -fqbn=arduino:avr:uno -ide-version=10606 -build-path "/tmp/build0e56ef2b839c3b27ef35cf7e3d696c02.tmp" -warnings=none -prefs=build.warn_data_percentage=75 -verbose "/home/num/Programas/arduino-1.6.6/examples/01.Basics/Blink/Blink.ino"
/home/num/Programas/arduino-1.6.6/arduino-builder -compile -logger=machine -hardware "/home/num/Programas/arduino-1.6.6/hardware" -tools "/home/num/Programas/arduino-1.6.6/tools-builder" -tools "/home/num/Programas/arduino-1.6.6/hardware/tools/avr" -built-in-libraries "/home/num/Programas/arduino-1.6.6/libraries" -libraries "/root/Arduino/libraries" -fqbn=arduino:avr:uno -ide-version=10606 -build-path "/tmp/build0e56ef2b839c3b27ef35cf7e3d696c02.tmp" -warnings=none -prefs=build.warn_data_percentage=75 -verbose "/home/num/Programas/arduino-1.6.6/examples/01.Basics/Blink/Blink.ino"
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
	panic: runtime error: invalid memory address or nil pointer dereference
[signal 0x7 code=0x2 addr=0x2 pc=0x80a9e80]

goroutine 1 [running]:
encoding/json.func·002()
	/usr/local/go/src/encoding/json/encode.go:262 +0x7a
encoding/json.newMapEncoder(0xb7795990, 0x8161600, 0x817c2c0)
	/usr/local/go/src/encoding/json/encode.go:624
encoding/json.newTypeEncoder(0xb7795990, 0x8161600, 0x18429a01, 0x18429a5c)
	/usr/local/go/src/encoding/json/encode.go:394 +0x2f9
encoding/json.typeEncoder(0xb7795990, 0x8161600, 0x15)
	/usr/local/go/src/encoding/json/encode.go:342 +0x1d9
encoding/json.valueEncoder(0x8161600, 0x184387e0, 0x15, 0x8161600)
	/usr/local/go/src/encoding/json/encode.go:313 +0x79
encoding/json.(*encodeState).reflectValue(0x18400640, 0x8161600, 0x184387e0, 0x15)
	/usr/local/go/src/encoding/json/encode.go:299 +0x38
encoding/json.(*encodeState).marshal(0x18400640, 0x8161600, 0x184387e0, 0x0, 0x0)
	/usr/local/go/src/encoding/json/encode.go:270 +0xb1
encoding/json.Marshal(0x8161600, 0x184387e0, 0x0, 0x0, 0x0, 0x0, 0x0)
	/usr/local/go/src/encoding/json/encode.go:135 +0x82
encoding/json.MarshalIndent(0x8161600, 0x184387e0, 0x0, 0x0, 0x819e890, 0x2, 0x0, 0x0, 0x0, 0x0, ...)
	/usr/local/go/src/encoding/json/encode.go:144 +0x58
arduino.cc/builder.(*CreateBuildOptionsMap).Run(0x8267ef0, 0x18438740, 0x0, 0x0)
	/home/jenkins/jenkins/jobs/arduino-builder-linux32/workspace/src/arduino.cc/builder/create_build_options_map.go:75 +0x305
arduino.cc/builder.(*ContainerBuildOptions).Run(0x8267ef0, 0x18438740, 0x0, 0x0)
	/home/jenkins/jenkins/jobs/arduino-builder-linux32/workspace/src/arduino.cc/builder/container_build_options.go:49 +0x1ff
arduino.cc/builder.runCommands(0x18438740, 0x18429dd8, 0x1b, 0x1b, 0x441c201, 0x0, 0x0)
	/home/jenkins/jenkins/jobs/arduino-builder-linux32/workspace/src/arduino.cc/builder/builder.go:155 +0xf3
arduino.cc/builder.(*Builder).Run(0x18429ec4, 0x18438740, 0x0, 0x0)
	/home/jenkins/jenkins/jobs/arduino-builder-linux32/workspace/src/arduino.cc/builder/builder.go:115 +0xb0e
arduino.cc/builder.RunBuilder(0x18438740, 0x0, 0x0)
	/home/jenkins/jenkins/jobs/arduino-builder-linux32/workspace/src/arduino.cc/builder/builder.go:186 +0x44
main.main()
	/home/jenkins/jenkins/jobs/arduino-builder-linux32/workspace/main.go:315 +0x17e9
arduino-builder retornó 2
Error de compilación

I tried installing the avr compiler form the synapsis software center, but still not works, so i have my arduino but i cant work with it in a properly way.

Please is someone have a similar problem, i need to slove this quickly i am developing a project for my university carrer.

EDIT: I DIDN'T NOTICE THAT I MUST TO HAVE MY ARDUINO CONNECTED TO COMPILE THE PROGRAM THANKS FOR THE SUPPORT

Connecting an Arduino to be able to compile should actually not be necessary. I haven't tried the IDE on my Ubuntu box yet, so can't say if this is something specific to Mint or to Linux. But on my Windows 8 system, I can happily compile without an Arduino being connected.

THANKS FOR THE SUPPORT

Pleasure :wink: