040000 tree 63a18b21c9accf2be4a70833425dab855af7f859	golibs
040000 tree 2cc7dc780f396357c3d5389845a64649f4950d72	googletest
040000 tree f557a371f31a1d5db87608bc871e3bffc7785bbf	modp_b64
040000 tree c1673f997811bd46946f7aff3342227e822e83de	rust_crates