Your autoaction is returning 1 instead of, perhaps, $item[1]. The 1 is the return value of the print statement in your autoaction code. That's why you are seeing in your output:

int=10
time=1
int=12
load=1
...
[download]

instead of:

int=10
time=10
int=12
load=12
...
[download]

Also, in your case you can safely remove the assignments to $return from your code. Assigning to $return is useful if, for instance, the return value is determined by an action block which is not the last:

production: stuff { $return = ... } and other { ... } things { ... }
[download]

Normally the return value would be whatever is returned by the action following things, but in this case it is set by the code in the action following stuff.

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