Build Failure on ports-10.8_x86_64_legacy

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.8_x86_64_legacy
Full logs:    https://build.macports.org/builders/ports-10.8_x86_64_legacy-watcher/builds/26627
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:     3a3a79719f687963626e35e7c2a7fa4810ba84b4
Build time:   0:25:42
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.8_x86_64_legacy-builder #100000
  https://build.macports.org/builders/ports-10.8_x86_64_legacy-builder/builds/100000
- ports-10.8_x86_64_legacy-builder #100001
  https://build.macports.org/builders/ports-10.8_x86_64_legacy-builder/builds/100001
- ports-10.8_x86_64_legacy-builder #100002
  https://build.macports.org/builders/ports-10.8_x86_64_legacy-builder/builds/100002
- ports-10.8_x86_64_legacy-builder #100003
  https://build.macports.org/builders/ports-10.8_x86_64_legacy-builder/builds/100003
- ports-10.8_x86_64_legacy-builder #100004
  https://build.macports.org/builders/ports-10.8_x86_64_legacy-builder/builds/100004
- ports-10.8_x86_64_legacy-builder #99998
  https://build.macports.org/builders/ports-10.8_x86_64_legacy-builder/builds/99998
- ports-10.8_x86_64_legacy-builder #99999
  https://build.macports.org/builders/ports-10.8_x86_64_legacy-builder/builds/99999

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