'Migration is not available for this account'

[native-api]

Build delays for open source project

And after a few minutes trying everything under the sun, I finally found there’s a ‘Sign up for the beta’ button on my travis-ci.org that I had to click to enroll my “organization” (which was actually my personal account, which already had many projects enrolled on travis-ci.com… so it was unintuitive, but now I can migrate repos.