[MacPorts] #70573: rust-bootstrap @1.77.0 fails to parse

[MacPorts]

#70573: rust-bootstrap @1.77.0 fails to parse
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  Reporter:  jmroot          |      Owner:  MarcusCalhoun-Lopez
      Type:  defect          |     Status:  assigned
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:
Resolution:                  |   Keywords:
      Port:  rust-bootstrap  |
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Comment (by markemer):

 I'm seeing the same thing on running a port index or just trying to parse
 this Portfile at all.

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Ticket URL: <https://trac.macports.org/ticket/70573#comment:6>
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