Broken Noetic dev builds?

[hidmic]

I have limited visibility here, but I keep getting:

3:29:38 SSH: Connecting from host [ip-10-0-1-97]
23:29:38 SSH: Connecting with configuration [docs] ...
23:29:38 SSH: Caught exception [Failed to add SSH key. Message [invalid privatekey: [B@42904a03]] Sleeping for [5,000]ms before trying again
23:29:38 SSH: Connecting with configuration [docs] ...
23:29:43 SSH: Caught exception [Failed to add SSH key. Message [invalid privatekey: [B@5d9f0ca2]] Sleeping for [5,000]ms before trying again
23:29:43 SSH: Connecting with configuration [docs] ...
23:29:48 SSH: Caught exception [Failed to add SSH key. Message [invalid privatekey: [B@18bcc18]] Sleeping for [5,000]ms before trying again
23:29:48 SSH: Connecting with configuration [docs] ...
23:29:53 SSH: Caught exception [Failed to add SSH key. Message [invalid privatekey: [B@1025f314]] Sleeping for [5,000]ms before trying again
23:29:53 SSH: Connecting with configuration [docs] ...
23:29:58 SSH: Caught exception [Failed to add SSH key. Message [invalid privatekey: [B@1b44305a]] Sleeping for [5,000]ms before trying again
23:29:58 SSH: Connecting with configuration [docs] ...
23:30:03 SSH: Caught exception [Failed to add SSH key. Message [invalid privatekey: [B@701f83fc]] Sleeping for [5,000]ms before trying again
23:30:03 SSH: Connecting with configuration [docs] ...
23:30:08 SSH: Caught exception [Failed to add SSH key. Message [invalid privatekey: [B@6c291c0f]] Sleeping for [5,000]ms before trying again
23:30:08 SSH: Connecting with configuration [docs] ...
23:30:13 SSH: Caught exception [Failed to add SSH key. Message [invalid privatekey: [B@438b4c18]] Sleeping for [5,000]ms before trying again
23:30:13 SSH: Connecting with configuration [docs] ...
23:30:18 SSH: Caught exception [Failed to add SSH key. Message [invalid privatekey: [B@517c0c80]] Sleeping for [5,000]ms before trying again
23:30:18 SSH: Connecting with configuration [docs] ...
23:30:23 SSH: Caught exception [Failed to add SSH key. Message [invalid privatekey: [B@2c9cf2f]] Sleeping for [5,000]ms before trying again
23:30:23 SSH: Connecting with configuration [docs] ...
23:30:28 ERROR: Exception when publishing, exception message [Failed to add SSH key. Message [invalid privatekey: [B@2270c397]]
23:30:28 Build step 'Send build artifacts over SSH' changed build result to FAILURE

after successful build and test tasks for https://build.ros.org/job/Ndev__beluga__ubuntu_focal_amd64. What is the publisher_publish-over-xml snippet targeting?