I think you have a syntax error way toward the end, with the ;, in

[ qr/password: /i, sub { my $self = shift;
             $self->send("$password\n");,
             exp_continue; }],
[ qr/\[y\/n\]: /i, sub { my $self = shift;
             $self->send("y\n");,
             exp_continue; }],
    );
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Removing the , lets it at least pass the syntax check (I don't have the modules installed to test whether it actually works.