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/16250
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-acme certbot certbot-apache certbot-nginx
Subport list:
	- py27-acme
	- certbot
	- certbot-apache
	- certbot-nginx
	- py-acme
	- py36-acme
	- py37-acme
Variants:     None
Revision:     6a4e58280d04e0c2c89e533330553bf5ff20f9a1
Build time:   0:30:54
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.13_x86_64-builder #58615
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/58615
- ports-10.13_x86_64-builder #58616
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/58616
- ports-10.13_x86_64-builder #58617
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/58617
- ports-10.13_x86_64-builder #58618
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/58618
- ports-10.13_x86_64-builder #58619
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/58619
- ports-10.13_x86_64-builder #58620
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/58620
- ports-10.13_x86_64-builder #58621
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/58621

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