Build Failure on ports-10.7_x86_64_legacy

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.7_x86_64_legacy
Full logs:    https://build.macports.org/builders/ports-10.7_x86_64_legacy-watcher/builds/24537
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:     17900bbdd2970f5dc26b831e2f3b28beb53bd578
Build time:   0:37:14
Author:       Marius Schamschula <mps at macports.org>

Log from failed builds:

Links to individual build jobs:
- ports-10.7_x86_64_legacy-builder #101874
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/101874
- ports-10.7_x86_64_legacy-builder #101875
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/101875
- ports-10.7_x86_64_legacy-builder #101876
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/101876
- ports-10.7_x86_64_legacy-builder #101877
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/101877
- ports-10.7_x86_64_legacy-builder #101878
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/101878
- ports-10.7_x86_64_legacy-builder #101879
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/101879
- ports-10.7_x86_64_legacy-builder #101880
  https://build.macports.org/builders/ports-10.7_x86_64_legacy-builder/builds/101880

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