100644 blob 8ece167abe83352a9c1c01731a149902aed06db3	BUILD
040000 tree 39e76efc7b5dc04d4d3da57f2a1f39e47ad6e2fa	builders
040000 tree 0a1eb1d443a2dc7cb7282595ea27e4621cca9298	layers
100644 blob caabcfe4b264b03f7621a6088044fd2e33d65075	ubuntu16_04.yaml