Here’s the logs from my console. Seems like the issues you guys had yesterday.
Build-agent version 0.0.4761-f18e895 (2018-03-20T01:12:48+0000)
Creating a dedicated VM with xcode:9.2.0 image
Waiting for a VM to be assigned: …
We had an unexpected error preparing a VM for this build, potentially due to our infrastructure or cloud provider. Please retry the build in a few minutes
Unexpected environment preparation error: instance not ready yet: unassigned
We are seeing this too. The status page says everything is fine, and the incident page implies it is all working again (https://status.circleci.com/incidents/0dykyv0fyz5x), but the complete lack of jobs running for us suggests otherwise…