040000 tree 12c1e7c2d226b092589d3d4de2178167713daf43	debug
040000 tree b7b1c33e316c629600862217c726a22a5321e8bc	gcc
040000 tree c33dcb681c7b40397099a66bdf1390c1e7ed92c9	python3.8
040000 tree f4ae2fe51f3323bf179f0dc7cb60165e8bab3564	rustlib