[MacPorts] #61082: rust @ 1.45.2 -x11 +no_x11 +quartz - build failure with macosx_deployment_target 10.11

[MacPorts]

#61082: rust @ 1.45.2 -x11 +no_x11 +quartz - build failure with
macosx_deployment_target 10.11
------------------------+--------------------
  Reporter:  fredowski  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.3
Resolution:             |   Keywords:
      Port:  rust       |
------------------------+--------------------

Comment (by kencu):

 do we really have that patch in our sources?

 seems we must not have it, if we're seeing this error.

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Ticket URL: <https://trac.macports.org/ticket/61082#comment:1>
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