[MacPorts] #60062: port 2.5.4: Error: Unable to open port: invalid command name "compiler.cxx_standard"

[MacPorts]

#60062: port 2.5.4: Error: Unable to open port: invalid command name
"compiler.cxx_standard"
------------------------+--------------------
  Reporter:  nikgervae  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.5.4
Resolution:             |   Keywords:
      Port:             |
------------------------+--------------------
Changes (by nikgervae):

 * Attachment "port-log.txt" added.

 Output of `sudo port -d selfupdate` as requested by engineer

-- 
Ticket URL: <https://trac.macports.org/ticket/60062>
MacPorts <https://www.macports.org/>
Ports system for macOS