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

[MacPorts]

#67597: Unable to upgrade rust to 1.70.0_0
---------------------+---------------------------------
  Reporter:  RobK88  |      Owner:  MarcusCalhoun-Lopez
      Type:  defect  |     Status:  accepted
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:  2.8.1
Resolution:          |   Keywords:
      Port:  rust    |
---------------------+---------------------------------

Comment (by RobK88):

 Since my last build was successfully, I do not have a main.log build log
 to look at.

 And I have not modified macports.conf.  My setup is just a regular pain
 vanilla MacPorts installation on High Sierra.

 Attached is my macports.conf

-- 
Ticket URL: <https://trac.macports.org/ticket/67597#comment:11>
MacPorts <https://www.macports.org/>
Ports system for macOS