test suite build failures #28

$ stack test --resolver nightly-2016-07-29
dlist-0.8: build (lib + test)
Preprocessing library dlist-0.8...
Preprocessing test suite 'test' for dlist-0.8...
[2 of 2] Compiling Main             ( tests/Main.hs, .stack-work/dist/x86_64-osx/Cabal-1.24.0.0/build/test/test-tmp/Main.o )

/Users/adam/repos/3rd/dlist/tests/Main.hs:150:27: error:
    • No instance for (Arbitrary (NonEmpty [Int]))
        arising from a use of ‘property’
    • In the expression: property prop_Semigroup_sconcat
      In the expression:
        ("Semigroup sconcat", property prop_Semigroup_sconcat)
      In the expression:
        [("model", property prop_model), ("empty", property prop_empty),
         ("singleton", property prop_singleton),
         ("cons", property prop_cons), ....]
Progress: 1/2
--  While building package dlist-0.8 using:
      /Users/adam/.stack/setup-exe-cache/x86_64-osx/setup-Simple-Cabal-1.24.0.0-ghc-8.0.1 --builddir=.stack-work/dist/x86_64-osx/Cabal-1.24.0.0 build lib:dlist test:test --ghc-options " -ddump-hi -ddump-to-file"
    Process exited with code: ExitFailure 1

tests/Main.hs:24:1: error:
    Failed to load interface for ‘OverloadedStrings’
    Use -v to see a list of the files searched for.