Add project IDs to error logs

[TylerLubeck]

When exporting metrics from multiple projects at once, it's useful to know which of the projects is generating metrics errors.

Heya @SuperQ , tagging you per the contributors guide. Mind taking a look when you get a minute?

[SuperQ]

This needs a DCO sign-off. You can use git commit -s --amend to add it.

[TylerLubeck]

Updated both - sorry for the delay y'all, I appear to have broken my GitHub notifications

[SuperQ]

Nice