040000 tree e1639b4b9db8fc990ec47e4ba9f16c44d11c19cb	include
040000 tree 523fc0f7cc34f5a6d2a5fbb891b990aaa8b02918	linux_amd64
040000 tree 5c0417060289e882d5b11156606a8b2bdd9c2809	linux_amd64_race
040000 tree c68254f241aa8f0fd9961d58fab029a923ecdd44	tool