[MacPorts] #67597: Unable to upgrade rust to 1.70.0_0

[MacPorts]

#67597: Unable to upgrade rust to 1.70.0_0
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 Reporter:  RobK88  |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.8.1
 Keywords:          |       Port:  rust
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 I am unable to upgrade `rust` from 1.69.0_1 to 1.70.0_0 on High Sierra.

 It looks like a problem with the bootstrap.

 See attached main.log.

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Ticket URL: <https://trac.macports.org/ticket/67597>
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