Build Failure on ports-10.12_x86_64: stack

[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/36377
Build reason: A build was forced by 'ryandesign <ryandesign at localhost>': force build
Port list:    stack
Subport list:
	- stack
Variants:     None
Revision:     
Build time:   0:37:58
Author:       

Log from failed builds:
	Building 'stack' ... [ERROR]
	> maintainers: s.t.smith at ieee.org.

Broken ports:
	- stack

Responsible maintainers:
	- s.t.smith at ieee.org

Links to individual build jobs:
- ports-10.12_x86_64-builder #126103
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/126103

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