[MacPorts] #58848: rust @1.36.0: error: Unknown option

[MacPorts]

#58848: rust @1.36.0: error: Unknown option
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  Reporter:  dmitriz  |      Owner:  g5pw
      Type:  defect   |     Status:  reopened
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  rust     |
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Comment (by ryandesign):

 `error: Unknown option` is still happening on 10.8 but not 10.9 or later.
 [https://build.macports.org/builders/ports-10.8_x86_64-builder/builds/16205/steps
 /install-dependencies/logs/stdio Here is the latest log from the 10.8
 build worker].

 The error is frustrating because it's not telling us ''which option'' is
 unknown nor to ''which program'' it is unknown.

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Ticket URL: <https://trac.macports.org/ticket/58848#comment:18>
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