...
Preceding context expects a term, but found infix = instead.
Did you make a mistake in Pod syntax?
...
------> for =^$fh -> $line1, $line2 {

##</code><code>##

my $fh = open("file");
for $fh.lines,$fh.lines -> $line1,$line2 {
    say $line1;
    say $line2;
}

##</code><code>##

for $fh.lines -> $line {
	say $line;
}