New Raised beds w/ mushroom manure - Help ID these pests.

I set up lots of raised beds, and picked up mushroom manure and garden soil to fill them all.



I have zillions of these little bugs - Very active --- There are no plants yet, and as far as i can tell - they havent liked (or climbed/infested) tomatoes or anything i have put in this dirt. But they dont seem to be diminishing.



They look reddish, are very small, but not so small as hard to spot (which i think google said would be the case with spider mites). They are all over the soil.



This picture shows them on the corner cap of the raised bed (painted metal) -- There is a screw on the bottom side of the picture to give you an idea of the size.



This picture is with a flash, otherwise the pictures without a flash - they look pinkish. In real life, they look reddish.



This is Vancouver BC, Canada.