[MacPorts] #55666: rust 1.16.0 build failed on 10.13

[MacPorts]

#55666: rust 1.16.0 build failed on 10.13
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  Reporter:  akaliazin  |      Owner:  g5pw
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.4.2
Resolution:             |   Keywords:
      Port:  rust       |
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Comment (by g5pw):

 Rust was updated in 4b2c24ca6e5bb8887953650868017b332be999c6, is this
 ticket still valid?

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Ticket URL: <https://trac.macports.org/ticket/55666#comment:3>
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