synthing-master build crash

crash3.txt

$ go run build.go
...
github.com/syncthing/syncthing/lib/upgrade
github.com/syncthing/syncthing/lib/versioner
github.com/gogo/protobuf/protoc-gen-gogo/descriptor
github.com/gogo/protobuf/gogoproto
# github.com/gogo/protobuf/gogoproto
unexpected fault address 0xc000691000
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0xc000691000 pc=0x5fafff]

goroutine 16 [running]:
runtime.throw(0xe30ed5, 0x5)
	/usr/local/go/src/runtime/panic.go:774 +0x72 fp=0xc000031ca0 sp=0xc000031c70 pc=0x42d2c2
runtime.sigpanic()
	/usr/local/go/src/runtime/signal_unix.go:401 +0x3de fp=0xc000031cd0 sp=0xc000031ca0 pc=0x4420ae
cmd/compile/internal/ssa.(*Cache).Reset(0xc000738298)
	/usr/local/go/src/cmd/compile/internal/ssa/cache.go:47 +0x6f fp=0xc000031d08 sp=0xc000031cd0 pc=0x5fafff
cmd/compile/internal/gc.buildssa(0xc000010420, 0x3, 0x0)
	/usr/local/go/src/cmd/compile/internal/gc/ssa.go:205 +0x30a fp=0xc000031eb0 sp=0xc000031d08 pc=0xca335a
cmd/compile/internal/gc.compileSSA(0xc000010420, 0x3)
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:298 +0x4d fp=0xc000031f98 sp=0xc000031eb0 pc=0xc6e6ad
cmd/compile/internal/gc.compileFunctions.func2(0xc0005c5320, 0xc00034c400, 0x3)
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:363 +0x49 fp=0xc000031fc8 sp=0xc000031f98 pc=0xd309b9
runtime.goexit()
	/usr/local/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc000031fd0 sp=0xc000031fc8 pc=0x45ad51
created by cmd/compile/internal/gc.compileFunctions
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:361 +0x128

goroutine 1 [runnable]:
cmd/compile/internal/gc.compileFunctions()
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:369 +0x17c
cmd/compile/internal/gc.Main(0xe57328)
	/usr/local/go/src/cmd/compile/internal/gc/main.go:695 +0x3241
main.main()
	/usr/local/go/src/cmd/compile/main.go:51 +0xac

goroutine 13 [runnable]:
cmd/compile/internal/gc.buildssa(0xc000011b80, 0x0, 0x0)
	/usr/local/go/src/cmd/compile/internal/gc/ssa.go:194 +0x173
cmd/compile/internal/gc.compileSSA(0xc000011b80, 0x0)
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:298 +0x4d
cmd/compile/internal/gc.compileFunctions.func2(0xc0005c5320, 0xc00034c400, 0x0)
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:363 +0x49
created by cmd/compile/internal/gc.compileFunctions
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:361 +0x128

goroutine 14 [runnable]:
cmd/compile/internal/gc.buildssa(0xc0000118c0, 0x1, 0x0)
	/usr/local/go/src/cmd/compile/internal/gc/ssa.go:194 +0x173
cmd/compile/internal/gc.compileSSA(0xc0000118c0, 0x1)
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:298 +0x4d
cmd/compile/internal/gc.compileFunctions.func2(0xc0005c5320, 0xc00034c400, 0x1)
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:363 +0x49
created by cmd/compile/internal/gc.compileFunctions
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:361 +0x128

goroutine 15 [runnable]:
cmd/compile/internal/gc.buildssa(0xc00052a580, 0x2, 0x0)
	/usr/local/go/src/cmd/compile/internal/gc/ssa.go:194 +0x173
cmd/compile/internal/gc.compileSSA(0xc00052a580, 0x2)
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:298 +0x4d
cmd/compile/internal/gc.compileFunctions.func2(0xc0005c5320, 0xc00034c400, 0x2)
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:363 +0x49
created by cmd/compile/internal/gc.compileFunctions
	/usr/local/go/src/cmd/compile/internal/gc/pgen.go:361 +0x128
exit status 2
exit status 1