This is a concrete structural wall in a winery where Liso was used but not cured or sealed. This lead to microcracking.
Liso is a cementitious curing patch designed for filling and smoothing interior and exterior vertical concrete surfaces and non-wearing horizontal surfaces. Always follow instructions on product packaging and/or technical data sheet. Finishing instructions for Liso state, "Follow standard ACI curing practices. Exposed surfaces should be cured with a membrane forming cure and seal compound such as US SPEC Hydrasheen or US SPEC Hydrasheen 30%."