Build Failure on ports-10.7_x86_64: aeson-pretty, alex, cpphs, ghc, happy, hlint, hscolour, ihaskell, stack

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.7_x86_64
Full logs:    https://build.macports.org/builders/ports-10.7_x86_64-watcher/builds/277
Build reason: The SingleBranchScheduler scheduler named 'ports' triggered this build
Port list:    hlint ihaskell alex aeson-pretty ghc hscolour cpphs happy
Subport list:
	- aeson-pretty
	- alex
	- happy
	- hscolour
	- ghc
	- cpphs
	- hlint
	- ihaskell
Variants:     None
Revision:     ad0cecc0eb406bcbe967c51bc5a03b95d46ed40c
Build time:   0:18:54
Author:       Steven Thomas Smith <s.t.smith at ieee.org>

Log from failed builds:
	Building 'aeson-pretty' ... [ERROR] (failed to install dependency 'stack')
	> maintainers: s.t.smith at ieee.org.
	Building 'alex' ... [ERROR] (failed to install dependency 'stack')
	> maintainers: s.t.smith at ieee.org.
	Building 'happy' ... [ERROR] (failed to install dependency 'stack')
	> maintainers: s.t.smith at ieee.org.
	Building 'hscolour' ... [ERROR] (failed to install dependency 'stack')
	> maintainers: s.t.smith at ieee.org.
	Building 'ghc' ... [ERROR] (failed to install dependency 'stack')
	> maintainers: s.t.smith at ieee.org,s.t.smith at ieee.org.
	Building 'cpphs' ... [ERROR] (failed to install dependency 'stack')
	> maintainers: s.t.smith at ieee.org.
	Building 'hlint' ... [ERROR] (failed to install dependency 'stack')
	> maintainers: s.t.smith at ieee.org.
	Building 'ihaskell' ... [ERROR] (failed to install dependency 'stack')
	> maintainers: s.t.smith at ieee.org.

Broken ports:
	- aeson-pretty
	- alex
	- cpphs
	- ghc
	- happy
	- hlint
	- hscolour
	- ihaskell
	- stack

Responsible maintainers:
	- s.t.smith at ieee.org

Links to individual build jobs:
- ports-10.7_x86_64-builder #1026
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/1026
- ports-10.7_x86_64-builder #1027
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/1027
- ports-10.7_x86_64-builder #1028
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/1028
- ports-10.7_x86_64-builder #1029
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/1029
- ports-10.7_x86_64-builder #1030
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/1030
- ports-10.7_x86_64-builder #1031
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/1031
- ports-10.7_x86_64-builder #1032
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/1032
- ports-10.7_x86_64-builder #1033
  https://build.macports.org/builders/ports-10.7_x86_64-builder/builds/1033

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