Euterpea compilation failed

error

[8 of 8] Compiling Main             ( Test.hs, dist/build/heap-tests/heap-tests-tmp/Main.o )

Test.hs:15:10: error:
    • The constructor ‘Success’ should have 6 arguments, but has been given 3
    • In the pattern: Success _ _ _
      In a case alternative:
          (Success _ _ _)
            -> do putStrLn "Tests for Data.Heap.Internal:" >> Internal.runTests
                    >> putStrLn ""
                  putStrLn "Tests for Data.Heap.Item:" >> Item.runTests
                    >> putStrLn ""
                  putStrLn "Tests for Data.Heap:" >> Heap.runTests
      In a stmt of a 'do' block:
        case result of
          (Success _ _ _)
            -> do putStrLn "Tests for Data.Heap.Internal:" >> Internal.runTests
                    >> putStrLn ""
                  putStrLn "Tests for Data.Heap.Item:" >> Item.runTests
                    >> putStrLn ""
                  ....
          _ -> return ()
   |
15 |         (Success _ _ _) -> do
   |          ^^^^^^^^^^^^^
builder for '/nix/store/mr5ydcs5519brf3l51hm0wppsadp4ijy-heap-1.0.4.drv' failed with exit code 1
cannot build derivation '/nix/store/havwdvfq7zl4j3ljm5lrip7ncr6h6kh7-ghc-8.4.4-with-packages.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/0wvczyfx7nwn1pwqlqizs17hvva4m7fj-system-path.drv': 1 dependencies couldn't be built
cannot build derivation '/nix/store/dmzswh7qgcy1icb9jzgj8an08zwmha5c-nixos-system-ghasshee-19.03.172765.55df3fe5f3f.drv': 1 dependencies couldn't be built
error: build of '/nix/store/dmzswh7qgcy1icb9jzgj8an08zwmha5c-nixos-system-ghasshee-19.03.172765.55df3fe5f3f.drv' failed
➜  ~