Resolving dependencies...
Starting     StateVar-1.2.2
Starting     colour-2.3.6
Starting     base-orphans-0.8.5
Starting     base-compat-0.12.0
Building     StateVar-1.2.2
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Starting     ansi-terminal-0.11
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Starting     unordered-containers-0.2.14.0
Building     unordered-containers-0.2.14.0
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Starting     time-compat-1.9.6.1
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Starting     core-data-0.2.1.10
Starting     chronologique-0.3.1.3
Building     chronologique-0.3.1.3
Building     core-data-0.2.1.10
Failed to install core-data-0.2.1.10
Build log ( /home/builder/.cabal/logs/ghc-8.10.2/core-data-0.2.1.10-KFLfpmjtm7v36bt1x5doQr.log ):
cabal: Entering directory '/tmp/cabal-tmp-9634/core-data-0.2.1.10'
Configuring core-data-0.2.1.10...
Preprocessing library for core-data-0.2.1.10..
Building library for core-data-0.2.1.10..
[1 of 4] Compiling Core.Data.Structures ( lib/Core/Data/Structures.hs, dist/build/Core/Data/Structures.o, dist/build/Core/Data/Structures.dyn_o )
[2 of 4] Compiling Core.Data        ( lib/Core/Data.hs, dist/build/Core/Data.o, dist/build/Core/Data.dyn_o )
[3 of 4] Compiling Core.Encoding.Json ( lib/Core/Encoding/Json.hs, dist/build/Core/Encoding/Json.o, dist/build/Core/Encoding/Json.dyn_o )

lib/Core/Encoding/Json.hs:176:26: error:
    " Couldn't match type HashMap T.Text Aeson.Value
                     with Data.Aeson.KeyMap.KeyMap Aeson.Value
      Expected type: Aeson.Object
        Actual type: HashMap T.Text Aeson.Value
    " In the first argument of Aeson.Object, namely tvm
      In the expression: Aeson.Object tvm
      In the expression:
        let
          kvs = fromMap xm
          tvs = fmap (\ (k, v) -> ...) kvs
          tvm :: HashMap T.Text Aeson.Value
          ....
        in Aeson.Object tvm
    |
176 |          in Aeson.Object tvm
    |                          ^^^

lib/Core/Encoding/Json.hs:207:34: error:
    " Couldn't match type Data.Aeson.KeyMap.KeyMap Aeson.Value
                     with HashMap ±0 Aeson.Value
      Expected type: HashMap ±0 Aeson.Value
        Actual type: Aeson.Object
    " In the first argument of HashMap.toList, namely o
      In the expression: HashMap.toList o
      In an equation for tvs: tvs = HashMap.toList o
    " Relevant bindings include
        tvs :: [(±0, Aeson.Value)]
          (bound at lib/Core/Encoding/Json.hs:207:13)
    |
207 |         let tvs = HashMap.toList o
    |                                  ^
cabal: Leaving directory '/tmp/cabal-tmp-9634/core-data-0.2.1.10'
Completed    chronologique-0.3.1.3
cabal: Error: some packages failed to install:
core-data-0.2.1.10-KFLfpmjtm7v36bt1x5doQr failed during the building phase.
The exception was:
ExitFailure 1
core-program-0.3.0.7-EevWkQOAh1U2l6CTbHvbLi depends on core-program-0.3.0.7
which failed to install.