Build Failure on ports-10.11_x86_64: amber

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.11_x86_64
Full logs:    https://build.macports.org/builders/ports-10.11_x86_64-watcher/builds/16303
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    amber
Subport list:
	- amber
Variants:     None
Revision:     610beaeac255d6ad02ba79b2763266963531b890
Build time:   0:07:58
Author:       Conrad Taylor <conradwt at gmail.com>

Log from failed builds:
	Building 'amber' ... [ERROR] (failed to fetch dependency 'crystal')
	> maintainers: conradwt at gmail.com,mohd.akram at outlook.com.

Broken ports:
	- amber

Responsible maintainers:
	- conradwt at gmail.com
	- mohd.akram at outlook.com

Links to individual build jobs:
- ports-10.11_x86_64-builder #59185
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/59185

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