Build Failure on ports-10.6_x86_64: p5.26-data-messagepack, p5.28-data-messagepack, p5.30-data-messagepack

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.6_x86_64
Full logs:    https://build.macports.org/builders/ports-10.6_x86_64-watcher/builds/5018
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    p5-data-messagepack
Subport list:
	- p5.26-data-messagepack
	- p5.28-data-messagepack
	- p5.30-data-messagepack
Variants:     None
Revision:     08680fdc041a05fe3632673f8fbccd222777dc2a
Build time:   0:16:25
Author:       David B. Evans <devans at macports.org>

Log from failed builds:
	Building 'p5.26-data-messagepack' ... [ERROR]
	> maintainers: devans at macports.org.
	Building 'p5.28-data-messagepack' ... [ERROR]
	> maintainers: devans at macports.org.
	Building 'p5.30-data-messagepack' ... [ERROR]
	> maintainers: devans at macports.org.

Broken ports:
	- p5.26-data-messagepack
	- p5.28-data-messagepack
	- p5.30-data-messagepack

Responsible maintainers:
	- devans at macports.org

Links to individual build jobs:
- ports-10.6_x86_64-builder #22333
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/22333
- ports-10.6_x86_64-builder #22334
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/22334
- ports-10.6_x86_64-builder #22335
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/22335

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