Resolving dependencies...
Configuring call-stack-0.1.0...
Configuring cereal-0.5.5.0...
Building call-stack-0.1.0...
Building cereal-0.5.5.0...
Installed call-stack-0.1.0
Configuring clock-0.7.2...
Building clock-0.7.2...
Installed clock-0.7.2
Configuring colour-2.3.4...
Building colour-2.3.4...
Installed cereal-0.5.5.0
Configuring hspec-discover-2.5.3...
Building hspec-discover-2.5.3...
Installed hspec-discover-2.5.3
Configuring primitive-0.6.4.0...
Building primitive-0.6.4.0...
Installed colour-2.3.4
Configuring random-1.1...
Building random-1.1...
Installed random-1.1
Configuring setenv-0.1.1.3...
Building setenv-0.1.1.3...
Installed setenv-0.1.1.3
Configuring validity-0.7.0.0...
Building validity-0.7.0.0...
Installed validity-0.7.0.0
Configuring HUnit-1.6.0.0...
Building HUnit-1.6.0.0...
Installed HUnit-1.6.0.0
Configuring ansi-terminal-0.8.0.4...
Installed primitive-0.6.4.0
Configuring hspec-expectations-0.8.2...
Building ansi-terminal-0.8.0.4...
Building hspec-expectations-0.8.2...
Installed hspec-expectations-0.8.2
Configuring tf-random-0.5...
Building tf-random-0.5...
Installed ansi-terminal-0.8.0.4
Installed tf-random-0.5
Configuring QuickCheck-2.11.3...
Building QuickCheck-2.11.3...
Installed QuickCheck-2.11.3
Configuring quickcheck-io-0.2.0...
Configuring genvalidity-0.5.1.0...
Building genvalidity-0.5.1.0...
Building quickcheck-io-0.2.0...
Installed quickcheck-io-0.2.0
Configuring hspec-core-2.5.3...
Building hspec-core-2.5.3...
Installed genvalidity-0.5.1.0
Installed hspec-core-2.5.3
Configuring hspec-2.5.3...
Building hspec-2.5.3...
Installed hspec-2.5.3
Configuring genvalidity-property-0.2.0.2...
Building genvalidity-property-0.2.0.2...
Installed genvalidity-property-0.2.0.2
Configuring genvalidity-hspec-0.6.1.0...
Building genvalidity-hspec-0.6.1.0...
Failed to install genvalidity-hspec-0.6.1.0
Build log ( /home/builder/.cabal/logs/ghc-8.4.3/genvalidity-hspec-0.6.1.0-DjlF6UPzHjsAKx8ZthPKbb.log ):
cabal: Entering directory '/tmp/cabal-tmp-18772/genvalidity-hspec-0.6.1.0'
Configuring genvalidity-hspec-0.6.1.0...
Preprocessing library for genvalidity-hspec-0.6.1.0..
Building library for genvalidity-hspec-0.6.1.0..
[ 1 of 14] Compiling Paths_genvalidity_hspec ( dist/build/autogen/Paths_genvalidity_hspec.hs, dist/build/Paths_genvalidity_hspec.o )
[ 2 of 14] Compiling Test.Validity.Utils ( src/Test/Validity/Utils.hs, dist/build/Test/Validity/Utils.o )

src/Test/Validity/Utils.hs:66:18: error:
    • Variable not in scope:
        mapSpecTree
          :: (SpecTree () -> SpecTree ()) -> SpecWith () -> SpecWith ()
    • Perhaps you meant ‘mapSpecItem’ (imported from Test.Hspec.Core.Spec)
   |
66 | failsBecause s = mapSpecTree go
   |                  ^^^^^^^^^^^
cabal: Leaving directory '/tmp/cabal-tmp-18772/genvalidity-hspec-0.6.1.0'
cabal: Error: some packages failed to install:
genvalidity-hspec-0.6.1.0-DjlF6UPzHjsAKx8ZthPKbb failed during the building
phase. The exception was:
ExitFailure 1
genvalidity-hspec-cereal-0.2.0.2-7qxIsEMSowN9LLjWBeJUPS depends on
genvalidity-hspec-cereal-0.2.0.2 which failed to install.