=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Fetching scotty-2.1.11.tar.gz
=> Total size: 1381059 bytes
fetch: ftp://ftp.ibr.cs.tu-bs.de/pub/local/tkined/scotty-2.1.11.tar.gz: Connection refused
fetch: Unable to fetch expected file scotty-2.1.11.tar.gz
scotty-2.1.11.tar.gz                                     0  B    0  Bps
=> Checksum SHA1 OK for scotty-2.1.11.tar.gz
=> Checksum RMD160 OK for scotty-2.1.11.tar.gz
=> Checksum SHA512 OK for scotty-2.1.11.tar.gz