make fails for hub-tool

[vyapaari]

Description
This error occurs when run make in the docker/hub-tool git repo

Steps to reproduce the issue:
This is build time error for make on git repo docker/hub-tool
https://zerobin.net/?5e6685acc932911a#2dNYlHSfppfD21F/dl1VQpCQ0Q5olkrUx99K6VIHcRo=

Output of docker version:
https://zerobin.net/?9a722a3e4d57f206#PLGfJdpmxY4Fr9c1230Hrm73mhjEl17EL3H+1u0iC7k=

Output of docker info:
https://zerobin.net/?67e74930187e3bd0#o1Ui9zN3O2iHagajU2N+quq6fBLYFrgLFZQQQ02R+FY=

Additional environment details ( golang ):
go env
https://zerobin.net/?9a722a3e4d57f206#PLGfJdpmxY4Fr9c1230Hrm73mhjEl17EL3H+1u0iC7k=

everything goes well only until last stages
#16 ERROR: "/go/src/github.com/docker/hub-tool/bin/hub-tool" not found: not found

Thanks in advance
P.S = > all links open with pass 123