goflymake always fail when run Emacs in iTerm2 in Mac OSX

[dove-young]

Mac OSX EI Caption
GNU Emacs 24.5.1

(setq flymake-log-level 3)

Here is the go code

package main

import "fmt"

func main() {
        fmt.Printf("Hello, world.\n")
}

Here is the output in Messages buffer

 3file /Users/dove/dove/go/src/github.com/usr/hello/hello.go, init=goflymake-init
 4flymake is running: nil
 5file /Users/dove/dove/go/src/github.com/usr/hello/hello.go, init=goflymake-init [3 times]
 6create-temp-inplace: file=/Users/dove/dove/go/src/github.com/usr/hello/hello.go temp=/Users/dove/dove/go/src/github.com/usr/hello/flymake_hello.go
 7saved buffer hello.go in file /Users/dove/dove/go/src/github.com/usr/hello/flymake_hello.go
 8started process 36995, command=(goflymake -debug=false /Users/dove/dove/go/src/github.com/usr/hello/flymake_hello.go), dir=/Users/dove/dove/go/src/github.com/usr/hello/
 9received 141 byte(s) of output from process 36995
10file /Users/dove/dove/go/src/github.com/usr/hello/hello.go, init=goflymake-init
11parsed '/Users/dove/GitHub/homebrew/Cellar/emacs/24.5/Emacs.app/Contents/MacOS/Emacs: /Users/dove/el-get/go-flymake/bin/goflymake: Exec format error', no line-err-info
12file /Users/dove/dove/go/src/github.com/usr/hello/hello.go, init=goflymake-init
13process 36995 exited with code 126
14cleaning up using flymake-simple-cleanup
15deleted file /Users/dove/dove/go/src/github.com/usr/hello/flymake_hello.go
16hello.go: 0 error(s), 0 warning(s) in 0.01 second(s)
17switched OFF Flymake mode for buffer hello.go due to fatal status CFGERR, warning Configuration error has occurred while running (goflymake -debug=false /Users/dove/dove\
  /go/src/github.com/usr/hello/flymake_hello.go)
18You can invoke command `revert-buffer' using `<f5>'
19started process 36995, command=(goflymake -debug=false /Users/dove/dove/go/src/github.com/usr/hello/flymake_hello.go), dir=/Users/dove/dove/go/src/github.com/usr/hello/
20Mark set [2 times]
21Quit