[MacPorts] #38279: rust @0.5: multiple issues

[MacPorts]

#38279: rust @0.5: multiple issues
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  Reporter:  egall@…  |      Owner:  g5pw@…
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.1.3
Resolution:           |   Keywords:
      Port:  rust     |
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Comment (by g5pw@…):

 Ok, I just hit a wall. I nearly got it working, but I get a segmentation
 fault seemingly out of nowhere, A new pair of eyeballs would be useful.
 I'm attaching the diff.

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Ticket URL: <https://trac.macports.org/ticket/38279#comment:10>
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