Build Failure on ports-10.7_x86_64: ruby27

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.7_x86_64
Full logs:    https://build.macports.org/builders/ports-10.7_x86_64-watcher/builds/5431
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    ruby24 ruby25 ruby26 ruby27
Subport list:
	- ruby24
	- ruby25
	- ruby26
	- ruby27
Variants:     None
Revision:     53ffcf261ae217186dd106b012566c95c22d5760
Build time:   0:18:26
Author:       kimura wataru <kimuraw at macports.org>

Log from failed builds:
	Building 'ruby27' ... [ERROR]
	> maintainers: kimuraw at macports.org.

Broken ports:
	- ruby27

Responsible maintainers:
	- kimuraw at macports.org

Links to individual build jobs:
- ports-10.7_x86_64-builder #20837
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/20837
- ports-10.7_x86_64-builder #20838
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/20838
- ports-10.7_x86_64-builder #20839
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/20839
- ports-10.7_x86_64-builder #20840
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/20840

-- 
Best regards,
MacPorts Buildbot
https://build.macports.org/