Resolving dependencies...
Configuring base-orphans-0.5.4...
Configuring base64-bytestring-1.0.0.1...
Building base-orphans-0.5.4...
Building base64-bytestring-1.0.0.1...
Configuring base-compat-0.9.1...
Installed base-orphans-0.5.4
Building base-compat-0.9.1...
Configuring bytestring-builder-0.10.8.1.0...
Installed base64-bytestring-1.0.0.1
Building bytestring-builder-0.10.8.1.0...
Configuring cond-0.4.1.1...
Installed bytestring-builder-0.10.8.1.0
Building cond-0.4.1.1...
Configuring data-default-class-0.1.2.0...
Installed base-compat-0.9.1
Building data-default-class-0.1.2.0...
Configuring cmdargs-0.10.14...
Installed cond-0.4.1.1
Building cmdargs-0.10.14...
Configuring dlist-0.8.0.2...
Installed data-default-class-0.1.2.0
Building dlist-0.8.0.2...
Configuring fail-4.9.0.0...
Installed dlist-0.8.0.2
Building fail-4.9.0.0...
Configuring generic-deriving-1.11.1...
Installed fail-4.9.0.0
Building generic-deriving-1.11.1...
Configuring mtl-2.2.1...
Installed cmdargs-0.10.14
Building mtl-2.2.1...
Configuring nats-1.1.1...
Installed generic-deriving-1.11.1
Building nats-1.1.1...
Configuring old-locale-1.0.0.7...
Installed nats-1.1.1
Configuring primitive-0.6.1.0...
Installed mtl-2.2.1
Building old-locale-1.0.0.7...
Building primitive-0.6.1.0...
Configuring network-2.6.3.1...
Installed old-locale-1.0.0.7
Building network-2.6.3.1...
Configuring semigroups-0.18.2...
Installed primitive-0.6.1.0
Building semigroups-0.18.2...
Configuring random-1.1...
Installed semigroups-0.18.2
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Configuring stm-2.4.4.1...
Installed random-1.1
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Configuring syb-0.6...
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Configuring text-1.2.2.1...
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Building syb-0.6...
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Configuring th-lift-0.7.6...
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Building mtl-compat-0.2.1.3...
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Building aeson-pretty-0.8.2...
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Installed hpqtypes-1.5.1.1
Configuring log-0.5.1...
Building log-0.5.1...
Failed to install log-0.5.1
Build log ( /home/builder/.cabal/logs/log-0.5.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-12052/log-0.5.1'
Configuring log-0.5.1...
Building log-0.5.1...
Preprocessing library log-0.5.1...
[1 of 9] Compiling Log.Data         ( src/Log/Data.hs, dist/build/Log/Data.o )

src/Log/Data.hs:70:20: error:
    • No instance for (Num Indent) arising from the literal ‘2’
    • In the ‘confIndent’ field of a record
      In the first argument of ‘encodePretty'’, namely
        ‘defConfig {confIndent = 2}’
      In the second argument of ‘(.)’, namely
        ‘encodePretty' (defConfig {confIndent = 2})’
cabal: Leaving directory '/tmp/cabal-tmp-12052/log-0.5.1'
cabal: Error: some packages failed to install:
log-0.5.1 failed during the building phase. The exception was:
ExitFailure 1