=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Fetching libproxy-0.4.13.tar.gz
=> Total size: 89296 bytes
ftp: Error retrieving file `404 Not Found'
fetch: Unable to fetch expected file libproxy-0.4.13.tar.gz
=> Checksum SHA1 OK for libproxy-0.4.13.tar.gz
=> Checksum RMD160 OK for libproxy-0.4.13.tar.gz
=> Checksum SHA512 OK for libproxy-0.4.13.tar.gz