buildbot exception in MacPorts on jobs-mirror

[buildbot at macports.org]

The Buildbot has detected a build exception on builder jobs-mirror while building macports/macports-ports. Full details are available at:
    https://build.macports.org/builders/jobs-mirror/builds/1234

Buildbot URL: https://build.macports.org/

Buildslave for this Build: jobs

Build Reason: The Triggerable scheduler named 'mirror' triggered this build
Build Source Stamp: [branch master] f13e88b927409d1973d61083b5804e2572abc1dc
Blamelist: Takeshi Enomoto <takeshi at macports.org>

BUILD FAILED: exception interrupted

Sincerely,
 -The Buildbot