[MacPorts] #61303: rust 1.47.0, cargo 0.47.0 fail to build

[MacPorts]

#61303: rust 1.47.0, cargo 0.47.0 fail to build
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  Reporter:  essandess    |      Owner:  (none)
      Type:  defect       |     Status:  closed
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.6.3
Resolution:  invalid      |   Keywords:
      Port:  rust, cargo  |
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Comment (by chrstphrchvz):

 I think it would be valid to have opened this as an "update" ticket i.e.
 to request it be updated, but then explaining the difficulty encountered
 when trying to do so.

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Ticket URL: <https://trac.macports.org/ticket/61303#comment:3>
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