Build Failure on ports-10.12_x86_64

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.12_x86_64
Full logs:    https://build.macports.org/builders/ports-10.12_x86_64-watcher/builds/15702
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    octave-symbolic
Subport list:
	- octave-symbolic
Variants:     None
Revision:     76fc6aa932eed737bffec7936b5220db09bd5305
Build time:   0:15:43
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.12_x86_64-builder #64189
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/64189

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MacPorts Buildbot
https://build.macports.org/