Yep, I suggested using statuspage.io because (as a dev team member) I figured I can probably organise a free page; Atlassian’s founders have traditionally given away its software for open source projects and non profits, so now that StatusPage is part of Atlassian I think Rust would be eligible for a free status page. (Though I haven’t checked to see if that’s a free or paid page that Mozilla has right now.)
Aside from letting people get their status notifications in ways other than via Twitter, I think having a status page makes sense from the perspective of giving people confidence in Rust: having some uptime stats for crates.io specifically would probably help when making a case for adopting Rust in an org.
The downsides (as far as I can see) are that we (statuspage.io) don’t have IRC integration for either receiving or posting status updates, and you’d have to provision the accounts for people who can update the status page, as we don’t support GitHub logins (or scoping users to GitHub orgs). That said, you could probably hack around those things via the API.