Build Failure on ports-10.11_x86_64: clang-3.7, py-networkit, py37-networkit, py38-networkit

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.11_x86_64
Full logs:    https://build.macports.org/builders/ports-10.11_x86_64-watcher/builds/32353
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    py-alembic py-billiard py-networkit py-jupyterlab
Subport list:
	- py38-alembic
	- py-alembic
	- py38-billiard
	- py-billiard
	- py38-jupyterlab
	- py-jupyterlab
	- py38-networkit
	- py-networkit
	- py27-billiard
	- py35-billiard
	- py36-alembic
	- py36-billiard
	- py37-alembic
	- py37-billiard
	- py37-jupyterlab
	- py37-networkit
Variants:     None
Revision:     944fc53794e1cabd47aab66792fff0b02d2745d7
Build time:   1:33:27
Author:       Andrey Stromnov <stromnov at macports.org>

Log from failed builds:
	Building 'py38-networkit' ... [ERROR] (failed to install dependency 'clang-3.7')
	> maintainers: stromnov at macports.org,jeremyhu at macports.org,larryv at macports.org,kencu at macports.org.
	Building 'py-networkit' ... [ERROR] (failed to install dependency 'clang-3.7')
	> maintainers: stromnov at macports.org,jeremyhu at macports.org,larryv at macports.org,kencu at macports.org.
	Building 'py37-networkit' ... [ERROR] (failed to install dependency 'clang-3.7')
	> maintainers: stromnov at macports.org,jeremyhu at macports.org,larryv at macports.org,kencu at macports.org.

Broken ports:
	- clang-3.7
	- py-networkit
	- py37-networkit
	- py38-networkit

Responsible maintainers:
	- jeremyhu at macports.org
	- kencu at macports.org
	- larryv at macports.org
	- stromnov at macports.org

Links to individual build jobs:
- ports-10.11_x86_64-builder #109874
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109874
- ports-10.11_x86_64-builder #109875
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109875
- ports-10.11_x86_64-builder #109876
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109876
- ports-10.11_x86_64-builder #109877
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109877
- ports-10.11_x86_64-builder #109878
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109878
- ports-10.11_x86_64-builder #109879
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109879
- ports-10.11_x86_64-builder #109880
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109880
- ports-10.11_x86_64-builder #109881
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109881
- ports-10.11_x86_64-builder #109882
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109882
- ports-10.11_x86_64-builder #109883
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109883
- ports-10.11_x86_64-builder #109884
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109884
- ports-10.11_x86_64-builder #109885
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109885
- ports-10.11_x86_64-builder #109886
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109886
- ports-10.11_x86_64-builder #109887
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109887
- ports-10.11_x86_64-builder #109888
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109888
- ports-10.11_x86_64-builder #109889
  https://build.macports.org/builders/ports-10.11_x86_64-builder/builds/109889

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