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/15106
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:     45cae83a24b0141f522df5bafa48bec2cd31e4ac
Build time:   0:44:52
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.13_x86_64-builder #55953
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/55953
- ports-10.13_x86_64-builder #55954
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/55954
- ports-10.13_x86_64-builder #55955
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/55955
- ports-10.13_x86_64-builder #55956
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/55956
- ports-10.13_x86_64-builder #55957
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/55957
- ports-10.13_x86_64-builder #55958
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/55958
- ports-10.13_x86_64-builder #55959
  https://build.macports.org/builders/ports-10.13_x86_64-builder/builds/55959

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