Since your move to the new datacenter we keep seeing the below errors at irregular intervals in our TeamCity-driven continuous integration environment.
Failed for the root 'Lombiq Source DEV' #19: 'hg --config ui.interactive=False pull https://user:firstname.lastname@example.org/user/repo' command failed. stderr: abort: error: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond
Locally we have no issue connecting to BB. We see the same symptoms when the SSL certificates change for providers. Could it be that the datacenter move affected something about the SSL certificates of BB?