Pass calls for improved error messages

[mgirlich]

trafficstars

Pass call to abort() and some vctrs functions for nicer error messages. Fixes #1313.

[DavisVaughan]

I'll look at these in some detail next week, thanks @mgirlich

[hadley]

Let's wait a week or two for vctrs and tidyselect to be out, and then I'll finish off.

[hadley]

I think this should be good for review. I worked through all the snapshot files so while there are probably more places that need updates, this feels like a good place to start.