040000 tree e1639b4b9db8fc990ec47e4ba9f16c44d11c19cb	include
040000 tree c55dc8f50d7fb2a9855b450b3869d0a32a367c4e	linux_amd64
040000 tree fb609ea4f18aab4e98d1865cdf662da1bdb4ee79	linux_amd64_race
040000 tree 7760f122bdb4c3b7fc2dde30767fbc279c1f14e7	tool