=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Fetching sendfile-2.1b.tar.gz
=> Total size: 343785 bytes
fetch: http://fex.rus.uni-stuttgart.de/download/sendfile-2.1b.tar.gz: size of remote file is not known
sendfile-2.1b.tar.gz                                     0  B    0  Bps
fetch: Size of the file sendfile-2.1b/sendfile-2.1b.tar.gz doesn't match.
sendfile-2.1b.tar.gz                                     0  B    0  Bps
=> Checksum SHA1 OK for sendfile-2.1b/sendfile-2.1b.tar.gz
=> Checksum RMD160 OK for sendfile-2.1b/sendfile-2.1b.tar.gz
=> Checksum SHA512 OK for sendfile-2.1b/sendfile-2.1b.tar.gz