Build Failure on ports-10.14_x86_64: BlackHole

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.14_x86_64
Full logs:    https://build.macports.org/builders/ports-10.14_x86_64-watcher/builds/14958
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    BlackHole
Subport list:
	- BlackHole
Variants:     None
Revision:     472e929e3b1b08101607a9acf056fca564165a9e
Build time:   0:01:13
Author:       Ryan Schmidt <ryandesign at macports.org>

Log from failed builds:
	Building 'BlackHole' ... [ERROR]
	> maintainers: adarsh at arizona.edu.

Broken ports:
	- BlackHole

Responsible maintainers:
	- adarsh at arizona.edu

Links to individual build jobs:
- ports-10.14_x86_64-builder #57639
  https://build.macports.org/builders/ports-10.14_x86_64-builder/builds/57639

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