==> Retrieving sources...
-> Downloading nethack-500-src.tgz...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed

0 0 0 0 0 0 0 0 0
100 10.29M 100 10.29M 0 0 13.65M 0 0
100 10.29M 100 10.29M 0 0 13.65M 0 0
100 10.29M 100 10.29M 0 0 13.65M 0 0
-> Found nethack.tmpfiles
==> Validating source files with sha512sums...
nethack-500-src.tgz ... Passed
nethack.tmpfiles ... Passed
==> Extracting sources...
-> Extracting nethack-500-src.tgz with bsdtar
==> Starting prepare()...
sed: sys/unix/hints/linux: No such file or directory
==> ERROR: A failure occurred in prepare().
Aborting...