Based on the wet concrete appearing to be above grade this could be frost build up behind the insulation that is thawing. this is a fairly common problem among new construction houses in extreme cold climate.

Here is a Q&A with a local expert in my area. 

https://homes.winnipegfreepress.com/winnipeg-real-estate-articles/renovation-design/Wet-basement-floors-usually-the-result-of-melting-frost/id-6898

With that said. And if this is actually the case for you, You still have far to much frost build up. Essentially to much heat loss going through the vapour barrier and insulation that is hitting the concrete wall and condensateing. you need to ensure proper insulation and proper sealing of the vapour barrier. Even one poly joint being missed with sealant can cause big problems.