As snapd (still, see bug 1796987) doesn't log to Ubuntu's logging utility, you'll also need to gather information from their logging system. Run `snap changes` to get the ID of the change that failed, then run `snap change $id` to retrieve the logs from wherever snapd stores them.
As snapd (still, see bug 1796987) doesn't log to Ubuntu's logging utility, you'll also need to gather information from their logging system. Run `snap changes` to get the ID of the change that failed, then run `snap change $id` to retrieve the logs from wherever snapd stores them.