I have been getting this error when compiling. I am using an Arduino Uno with IDE version 1.6.9.
Arduino: 1.6.9 (Windows 10), Board: "Arduino/Genuino Uno"
Exception 0xc0000090 0x0 0x0 0x102712
PC=0x102712
syscall.Syscall12(0x7688e320, 0xa, 0x10efd680, 0x10f01b00, 0x0, 0x0, 0x1, 0x400, 0x10ce7a00, 0x0, ...)
C:/Go1.5/src/runtime/syscall_windows.go:161 +0x4a
syscall.CreateProcess(0x10efd680, 0x10f01b00, 0x0, 0x0, 0x1, 0x400, 0x10ce7a00, 0x0, 0x10cd36f8, 0x10cd36a4, ...)
C:/Go1.5/src/syscall/zsyscall_windows.go:580 +0xba
syscall.StartProcess(0x10ee8e10, 0x41, 0x10f100d0, 0x19, 0x1a, 0x10cd37b0, 0x0, 0x0, 0x0, 0x0)
C:/Go1.5/src/syscall/exec_windows.go:326 +0x752
os.startProcess(0x10ee8e10, 0x41, 0x10f100d0, 0x19, 0x1a, 0x10cd38dc, 0x10ce1860, 0x0, 0x0)
C:/Go1.5/src/os/exec_posix.go:45 +0x2c8
os.StartProcess(0x10ee8e10, 0x41, 0x10f100d0, 0x19, 0x1a, 0x10cd38dc, 0x0, 0x0, 0x0)
C:/Go1.5/src/os/doc.go:24 +0x53
os/exec.(*Cmd).Start(0x10e7d040, 0x0, 0x0)
C:/Go1.5/src/os/exec/exec.go:328 +0x6da
os/exec.(*Cmd).Run(0x10e7d040, 0x0, 0x0)
C:/Go1.5/src/os/exec/exec.go:255 +0x2b
arduino.cc/builder/builder_utils.ExecRecipeCollectStdErr(0x10efe400, 0x5bc3c0, 0x15, 0x1, 0x30da43e8, 0x692034, 0x0, 0x0, 0x0, 0x0)
c:/jenkins/workspace/arduino-builder-windows/src/arduino.cc/builder/builder_utils/utils.go:340 +0x129
arduino.cc/builder.(*GCCPreprocRunnerForDiscoveringIncludes).Run(0x10ef51d0, 0x10cfc000, 0x0, 0x0)
c:/jenkins/workspace/arduino-builder-windows/src/arduino.cc/builder/gcc_preproc_runner.go:91 +0x243
arduino.cc/builder.runCommand(0x10cfc000, 0x30da8a40, 0x10ef51d0, 0x0, 0x0)
c:/jenkins/workspace/arduino-builder-windows/src/arduino.cc/builder/container_find_includes.go:94 +0x57
arduino.cc/builder.findIncludesUntilDone(0x10cfc000, 0x10ecf7a0, 0x67, 0x0, 0x0)
c:/jenkins/workspace/arduino-builder-windows/src/arduino.cc/builder/container_find_includes.go:112 +0x2a4
arduino.cc/builder.(*ContainerFindIncludes).Run(0x692034, 0x10cfc000, 0x0, 0x0)
c:/jenkins/workspace/arduino-builder-windows/src/arduino.cc/builder/container_find_includes.go:50 +0x227
arduino.cc/builder.runCommands(0x10cfc000, 0x10cd3cfc, 0x1c, 0x1c, 0x1, 0x0, 0x0)
c:/jenkins/workspace/arduino-builder-windows/src/arduino.cc/builder/builder.go:181 +0xe2
arduino.cc/builder.(*Builder).Run(0x10cd3df0, 0x10cfc000, 0x0, 0x0)
c:/jenkins/workspace/arduino-builder-windows/src/arduino.cc/builder/builder.go:116 +0xb53
arduino.cc/builder.RunBuilder(0x10cfc000, 0x0, 0x0)
c:/jenkins/workspace/arduino-builder-windows/src/arduino.cc/builder/builder.go:212 +0x35
main.main()
c:/jenkins/workspace/arduino-builder-windows/src/arduino.cc/arduino-builder/main.go:316 +0x152c
eax 0x0
ebx 0x32dfd008
ecx 0x0
edx 0x32da0000
edi 0x2240
esi 0x32dfd000
ebp 0xdf6d4
esp 0xdf6ac
eip 0x102712
eflags 0x10216
cs 0x23
fs 0x53
gs 0x2b
arduino-builder returned 2
Error compiling for board Arduino/Genuino Uno.
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