I can reproduce the failure locally but not always. No clue as to the sudden cause but here's the ticket and differential to mark the test as broken for now. https://ghc.haskell.org/trac/ghc/ticket/12751 https://phabricator.haskell.org/D2622 Matt On Fri, Oct 21, 2016 at 10:20 PM, Simon Peyton Jones via ghc-devs < ghc-devs@haskell.org> wrote:

I’m still seeing this OSX failure, below.

It seems to be to do with T5611 but I have no way to see what the problem is, and I don’t think it’s any thing to do with me

When I click on “unlimited lines” to attempt to see the error, Firefox hangs, and I have to kill it.

It’s unsettling getting all these failure messages

Simon

*From:* noreply@phabricator.haskell.org [mailto:noreply@phabricator. haskell.org] *Sent:* 21 October 2016 21:32 *To:* Simon Peyton Jones *Subject:* [Diffusion] [Build Failed] rGHC6ddba64287fe: Improve TcCanonical.unifyWanted and unifyDerived

Harbormaster failed to build B11529: rGHC6ddba64287fe: Improve TcCanonical.unifyWanted and unifyDerived!

*BRANCHES*

master

*USERS*

simonpj (Author) O11 (Auditor)

*COMMIT*

https://phabricator.haskell.org/rGHC6ddba64287fe

*EMAIL PREFERENCES*

https://phabricator.haskell.org/settings/panel/emailpreferences/

*To: *simonpj, Harbormaster

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