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/15728
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    mmg
Subport list:
	- mmg
Variants:     None
Revision:     42f0e4d5c730debfcf4f00ef1c03eae9a5efd0e3
Build time:   0:19:14
Author:       Marcus Calhoun-Lopez <mcalhoun at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.12_x86_64-builder #64249
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/64249

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