Resolving dependencies...
Configuring base-orphans-0.5.4...
Configuring base-compat-0.9.1...
Building base-orphans-0.5.4...
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Configuring cabal-file-th-0.2.4...
Installed base-orphans-0.5.4
Building cabal-file-th-0.2.4...
Installed base-compat-0.9.1
Configuring data-default-class-0.1.2.0...
Building data-default-class-0.1.2.0...
Installed cabal-file-th-0.2.4
Configuring dlist-0.8.0.2...
Building dlist-0.8.0.2...
Configuring fingertree-0.1.1.0...
Installed data-default-class-0.1.2.0
Building fingertree-0.1.1.0...
Configuring generic-deriving-1.11.1...
Installed dlist-0.8.0.2
Building generic-deriving-1.11.1...
Configuring integer-logarithms-1...
Installed fingertree-0.1.1.0
Building integer-logarithms-1...
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Building microlens-0.4.7.0...
Configuring old-locale-1.0.0.7...
Installed microlens-0.4.7.0
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Configuring mtl-2.2.1...
Installed old-locale-1.0.0.7
Building mtl-2.2.1...
Configuring parallel-3.2.1.0...
Installed mtl-2.2.1
Building parallel-3.2.1.0...
Configuring prelude-extras-0.4.0.3...
Installed parallel-3.2.1.0
Configuring primitive-0.6.2.0...
Installed generic-deriving-1.11.1
Building prelude-extras-0.4.0.3...
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Configuring random-1.1...
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Configuring reflection-2.1.2...
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Configuring semigroups-0.18.2...
Installed random-1.1
Building reflection-2.1.2...
Building semigroups-0.18.2...
Configuring stm-2.4.4.1...
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Configuring text-1.2.2.1...
Installed stm-2.4.4.1
Configuring time-locale-compat-0.1.1.3...
Installed reflection-2.1.2
Building text-1.2.2.1...
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Configuring utf8-string-1.0.1.1...
Installed time-locale-compat-0.1.1.3
Building utf8-string-1.0.1.1...
Configuring transformers-compat-0.5.1.4...
Installed utf8-string-1.0.1.1
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Installed transformers-compat-0.5.1.4
Configuring data-default-instances-containers-0.0.1...
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Installed data-default-instances-containers-0.0.1
Configuring microlens-th-0.4.1.1...
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Configuring data-default-instances-dlist-0.0.1...
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Configuring data-default-instances-old-locale-0.0.1...
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Configuring StateVar-1.1.0.4...
Installed data-default-instances-dlist-0.0.1
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Building StateVar-1.1.0.4...
Configuring vector-0.12.0.0...
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Configuring async-2.1.1...
Installed StateVar-1.1.0.4
Building async-2.1.1...
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Configuring mmorph-1.0.9...
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Building tagged-0.8.5...
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Building vty-5.14...
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Configuring contravariant-1.4...
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Configuring comonad-5...
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Configuring free-4.12.4...
Building free-4.12.4...
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Building adjunctions-4.3...
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Configuring lens-4.15.1...
Building lens-4.15.1...
Installed lens-4.15.1
Configuring vgrep-0.2.0.0...
Building vgrep-0.2.0.0...
Failed to install vgrep-0.2.0.0
Build log ( /home/builder/.cabal/logs/vgrep-0.2.0.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-27211/vgrep-0.2.0.0'
Configuring vgrep-0.2.0.0...
Building vgrep-0.2.0.0...
Preprocessing library vgrep-0.2.0.0...
[ 1 of 32] Compiling Vgrep.Key        ( src/Vgrep/Key.hs, dist/build/Vgrep/Key.o )
[ 2 of 32] Compiling Vgrep.Command    ( src/Vgrep/Command.hs, dist/build/Vgrep/Command.o )
[ 3 of 32] Compiling Vgrep.Environment.Config.Monoid ( src/Vgrep/Environment/Config/Monoid.hs, dist/build/Vgrep/Environment/Config/Monoid.o )
[ 4 of 32] Compiling Vgrep.Environment.Config.Sources.Env ( src/Vgrep/Environment/Config/Sources/Env.hs, dist/build/Vgrep/Environment/Config/Sources/Env.o )
[ 5 of 32] Compiling Vgrep.Environment.Config.Sources.File ( src/Vgrep/Environment/Config/Sources/File.hs, dist/build/Vgrep/Environment/Config/Sources/File.o )

src/Vgrep/Environment/Config/Sources/File.hs:309:17: error:
    • Overlapping instances for FromJSON (Map Key.Chord Command)
        arising from a use of ‘genericParseJSON’
      Matching instances:
        instance (aeson-1.1.0.0:Data.Aeson.Types.FromJSON.FromJSONKey k,
                  Ord k, FromJSON v) =>
                 FromJSON (Map k v)
          -- Defined in ‘aeson-1.1.0.0:Data.Aeson.Types.FromJSON’
        instance FromJSON (Map Key.Chord Command)
          -- Defined at src/Vgrep/Environment/Config/Sources/File.hs:314:10
    • In the expression: genericParseJSON jsonOptions
      In an equation for ‘parseJSON’:
          parseJSON = genericParseJSON jsonOptions
      In the instance declaration for ‘FromJSON KeybindingsMonoid’

src/Vgrep/Environment/Config/Sources/File.hs:314:10: error:
    • Overlapping instances for FromJSON (Map Key.Chord Command)
        arising from a use of ‘aeson-1.1.0.0:Data.Aeson.Types.FromJSON.$dmparseJSONList’
      Matching instances:
        instance (aeson-1.1.0.0:Data.Aeson.Types.FromJSON.FromJSONKey k,
                  Ord k, FromJSON v) =>
                 FromJSON (Map k v)
          -- Defined in ‘aeson-1.1.0.0:Data.Aeson.Types.FromJSON’
        instance FromJSON (Map Key.Chord Command)
          -- Defined at src/Vgrep/Environment/Config/Sources/File.hs:314:10
    • In the expression:
        aeson-1.1.0.0:Data.Aeson.Types.FromJSON.$dmparseJSONList
          @Map Key.Chord Command
      In an equation for ‘parseJSONList’:
          parseJSONList
            = aeson-1.1.0.0:Data.Aeson.Types.FromJSON.$dmparseJSONList
                @Map Key.Chord Command
      In the instance declaration for ‘FromJSON (Map Key.Chord Command)’
cabal: Leaving directory '/tmp/cabal-tmp-27211/vgrep-0.2.0.0'
cabal: Error: some packages failed to install:
vgrep-0.2.0.0 failed during the building phase. The exception was:
ExitFailure 1