Build Failure on ports-10.6_x86_64: aeson-pretty, alex, cpphs, ghc, happy, hlint, hscolour, ihaskell, stack

[buildbot at macports.org]

Status:       Failure
Build slave:  ports-10.6_x86_64
Full logs:    https://build.macports.org/builders/ports-10.6_x86_64-watcher/builds/280
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:   0:17:06
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-10.6_x86_64-builder #1241
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/1241
- ports-10.6_x86_64-builder #1242
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/1242
- ports-10.6_x86_64-builder #1243
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/1243
- ports-10.6_x86_64-builder #1244
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/1244
- ports-10.6_x86_64-builder #1245
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/1245
- ports-10.6_x86_64-builder #1246
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/1246
- ports-10.6_x86_64-builder #1247
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/1247
- ports-10.6_x86_64-builder #1248
  https://build.macports.org/builders/ports-10.6_x86_64-builder/builds/1248

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