poudriere after update to FreeBSD 13.1-RELEASE-p1

After updating to FreeBSD 13.1-RELEASE-p1, poudriere is now issuing an error message.

[00:00:00] Creating the reference jail... done
[00:00:00] Mounting system devices for 13amd64-default
[00:00:00] Warning: Using packages from previously failed, or uncommitted, build: /usr/local/poudriere/data/packages/13amd64-default/.building
[00:00:00] Mounting ccache from: /usr/home/gerard/.ccache
[00:00:00] Mounting ports from: /usr/local/poudriere/ports/default
[00:00:00] Mounting packages from: /usr/local/poudriere/data/packages/13amd64-default
[00:00:00] Mounting distfiles from: /usr/ports/distfiles
[00:00:00] Copying /var/db/ports from: /usr/local/etc/poudriere.d/13amd64-options
[00:00:00] Appending to make.conf: /usr/local/etc/poudriere.d/make.conf
/etc/resolv.conf -> /usr/local/poudriere/data/.m/13amd64-default/ref/etc/resolv.conf
[00:00:00] Starting jail 13amd64-default
[00:00:00] Will build as nobody:nobody (65534:65534)
[00:00:01] Logs: /usr/local/poudriere/data/logs/bulk/13amd64-default/2022-08-11_14h35m31s
[00:00:01] Loading MOVED for /usr/local/poudriere/data/.m/13amd64-default/ref/usr/ports
[00:00:01] Ports supports: FLAVORS SELECTED_OPTIONS
[00:00:01] Inspecting ports tree for modifications to git checkout... no
[00:00:02] Ports top-level git hash: b28e6ccdb9 
[00:00:02] Gathering ports metadata
[00:00:02] Calculating ports order and dependencies
[00:00:02] Trimming IGNORED and blacklisted ports
[00:00:02] pkg bootstrap missing: unable to inspect existing packages, cleaning all packages... done
[00:00:02] Sanity checking the repository
[00:00:02] Deleting stale symlinks... done
[00:00:02] Deleting empty directories... done
[00:00:03] Unqueueing existing packages
[00:00:03] Sanity checking build queue
[00:00:03] Processing PRIORITY_BOOST
[00:00:03] Balancing pool
[13amd64-default] [2022-08-11_14h35m31s] [load_priorities:] Queued: 0  Built: 0  Failed: 0 Skipped: 0  Ignored: 0  Fetched: 0 Tobuild: 0   Time: 00:00:01
[00:00:03] Recording filesystem state for prepkg... done
[00:00:03] Creating pkg repository
[00:00:03] Error: Unable to extract pkg.
[13amd64-default] [2022-08-11_14h35m31s] [crashed:] Queued: 0  Built: 0 Failed: 0  Skipped: 0 Ignored: 0  Fetched: 0 Tobuild: 0   Time: 00:00:02
[00:00:03] Logs: /usr/local/poudriere/data/logs/bulk/13amd64-default/2022-08-11_14h35m31s
[00:00:03] Cleaning up
[00:00:03] Unmounting file systems
Exiting with status 1

Updating poudriere repository catalogue...
poudriere repository is up to date.
All repositories are up to date.
Checking for upgrades (0 candidates):   0%
Checking for upgrades (0 candidates): 100%
Processing candidates (0 candidates):   0%
Processing candidates (0 candidates): 100%
Checking integrity... done (0 conflicting)
Your packages are up to date.

ERROR:
[00:00:03] Error: Unable to extract pkg.

That may be related to this message:
[00:00:02] pkg bootstrap missing: unable to inspect existing packages, cleaning all packages... done

Is this to be expected?