[MacPorts] #73775: rust: Offer latest version to macOS 10.12 Sierra

[MacPorts]

#73775: rust: Offer latest version to macOS 10.12 Sierra
-------------------------+---------------------------------
  Reporter:  ryandesign  |      Owner:  MarcusCalhoun-Lopez
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  sierra
      Port:  rust        |
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Comment (by herbygillot):

 Rust has just gotten an update: I've made additional changes to make this
 latest version available on 10.12, but I can't tell how it did because the
 build got interrupted:
 https://build.macports.org/builders/ports-10.12_x86_64-watcher/builds/110460

 It _looked_ like it was building, but I'm not sure.

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Ticket URL: <https://trac.macports.org/ticket/73775#comment:3>
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