my @tokens = split /\s/, $line;

            my @tokens = split /\s+/, $line;

root@lotsofspace    i686-linux,x86_64-linux    /var/sshkey   1   1  kvm,nixos-test   benchmark

    'root@lotsofspace' => {
        'systemTypes' => [ "i686-linux", "x86_64-linux" ],
        'sshKeys' => '/var/sshkey',
        'maxJobs' => 1,
        'speedFactor' => 1,
        'supportedFeatures' => [ "kvm", "nixos-test", "benchmark" ],
        'mandatoryFeatures' => [ "benchmark" ],
    },