Build Failure on ports-10.13_x86_64

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.13_x86_64
Full logs:    https://build.macports.org/builders/ports-10.13_x86_64-watcher/builds/13912
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    ruby186
Subport list:
	- ruby186
Variants:     None
Revision:     0f8d1dc5996f504b44cb2d8743bda571c983a542
Build time:   0:02:50
Author:       Chris Jones <jonesc at macports.org>

Log from failed builds:
	Fetching 'ruby186' ... [ERROR]
	> maintainers: kimuraw at macports.org.

Links to individual build jobs:
- ports-10.13_x86_64-builder #52242
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/52242

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