=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Fetching go1.4.3.src.tar.gz
=> Total size: 10875170 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file go1.4.3.src.tar.gz
=> Checksum SHA1 OK for go1.4.3.src.tar.gz
=> Checksum RMD160 OK for go1.4.3.src.tar.gz
=> Checksum SHA512 OK for go1.4.3.src.tar.gz