Build Failure on ports-10.12_x86_64: carthage, topgrade

[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/36218
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    topgrade
Subport list:
	- topgrade
Variants:     None
Revision:     b6faf7276c19a9a0a6da0420aa67370881e61a5c
Build time:   0:05:54
Author:       Lothar Haeger <lothar.haeger at gmx.net>

Log from failed builds:
	Building 'topgrade' ... [ERROR] (failed to install dependency 'carthage')
	> maintainers: lothar.haeger at gmx.net,saagar at saagarjha.com.

Broken ports:
	- carthage
	- topgrade

Responsible maintainers:
	- lothar.haeger at gmx.net
	- saagar at saagarjha.com

Links to individual build jobs:
- ports-10.12_x86_64-builder #125839
  https://build.macports.org/builders/ports-10.12_x86_64-builder/builds/125839

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