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Configuring pandoc-citeproc-0.10...
Building pandoc-citeproc-0.10...
Failed to install pandoc-citeproc-0.10
Build log ( /home/builder/.cabal/logs/pandoc-citeproc-0.10.log ):
cabal: Entering directory '/tmp/cabal-tmp-8071/pandoc-citeproc-0.10'
[1 of 1] Compiling Main             ( /tmp/cabal-tmp-8071/pandoc-citeproc-0.10/dist/setup/setup.hs, /tmp/cabal-tmp-8071/pandoc-citeproc-0.10/dist/setup/Main.o )
Linking /tmp/cabal-tmp-8071/pandoc-citeproc-0.10/dist/setup/setup ...
Configuring pandoc-citeproc-0.10...
Building pandoc-citeproc-0.10...
Preprocessing library pandoc-citeproc-0.10...
[ 1 of 21] Compiling Prelude          ( prelude/Prelude.hs, dist/build/Prelude.o )
[ 2 of 21] Compiling Text.CSL.Util    ( src/Text/CSL/Util.hs, dist/build/Text/CSL/Util.o )
[ 3 of 21] Compiling Text.CSL.Style   ( src/Text/CSL/Style.hs, dist/build/Text/CSL/Style.o )
[ 4 of 21] Compiling Text.CSL.Output.Pandoc ( src/Text/CSL/Output/Pandoc.hs, dist/build/Text/CSL/Output/Pandoc.o )
[ 5 of 21] Compiling Text.CSL.Eval.Output ( src/Text/CSL/Eval/Output.hs, dist/build/Text/CSL/Eval/Output.o )
[ 6 of 21] Compiling Text.CSL.Output.Plain ( src/Text/CSL/Output/Plain.hs, dist/build/Text/CSL/Output/Plain.o )
[ 7 of 21] Compiling Text.CSL.Reference ( src/Text/CSL/Reference.hs, dist/build/Text/CSL/Reference.o )
[ 8 of 21] Compiling Text.CSL.Eval.Common ( src/Text/CSL/Eval/Common.hs, dist/build/Text/CSL/Eval/Common.o )
[ 9 of 21] Compiling Text.CSL.Eval.Names ( src/Text/CSL/Eval/Names.hs, dist/build/Text/CSL/Eval/Names.o )
[10 of 21] Compiling Text.CSL.Eval.Date ( src/Text/CSL/Eval/Date.hs, dist/build/Text/CSL/Eval/Date.o )
[11 of 21] Compiling Text.CSL.Eval    ( src/Text/CSL/Eval.hs, dist/build/Text/CSL/Eval.o )
[12 of 21] Compiling Text.CSL.Proc.Disamb ( src/Text/CSL/Proc/Disamb.hs, dist/build/Text/CSL/Proc/Disamb.o )
[13 of 21] Compiling Text.CSL.Proc.Collapse ( src/Text/CSL/Proc/Collapse.hs, dist/build/Text/CSL/Proc/Collapse.o )
[14 of 21] Compiling Text.CSL.Proc    ( src/Text/CSL/Proc.hs, dist/build/Text/CSL/Proc.o )
[15 of 21] Compiling Paths_pandoc_citeproc ( dist/build/autogen/Paths_pandoc_citeproc.hs, dist/build/Paths_pandoc_citeproc.o )
[16 of 21] Compiling Text.CSL.Data    ( src/Text/CSL/Data.hs, dist/build/Text/CSL/Data.o )
[17 of 21] Compiling Text.CSL.Parser  ( src/Text/CSL/Parser.hs, dist/build/Text/CSL/Parser.o )
[18 of 21] Compiling Text.CSL.Input.Bibtex ( src/Text/CSL/Input/Bibtex.hs, dist/build/Text/CSL/Input/Bibtex.o )
[19 of 21] Compiling Text.CSL.Input.Bibutils ( src/Text/CSL/Input/Bibutils.hs, dist/build/Text/CSL/Input/Bibutils.o )
[20 of 21] Compiling Text.CSL         ( src/Text/CSL.hs, dist/build/Text/CSL.o )
[21 of 21] Compiling Text.CSL.Pandoc  ( src/Text/CSL/Pandoc.hs, dist/build/Text/CSL/Pandoc.o )
Preprocessing executable 'pandoc-citeproc' for pandoc-citeproc-0.10...
[1 of 3] Compiling Prelude          ( prelude/Prelude.hs, dist/build/pandoc-citeproc/pandoc-citeproc-tmp/Prelude.o )
[2 of 3] Compiling Paths_pandoc_citeproc ( dist/build/autogen/Paths_pandoc_citeproc.hs, dist/build/pandoc-citeproc/pandoc-citeproc-tmp/Paths_pandoc_citeproc.o )
[3 of 3] Compiling Main             ( pandoc-citeproc.hs, dist/build/pandoc-citeproc/pandoc-citeproc-tmp/Main.o )

pandoc-citeproc.hs:65:50: error:
    • No instance for (Num Data.Aeson.Encode.Pretty.Indent)
        arising from the literal ‘2’
    • In the ‘confIndent’ field of a record
      In the first argument of ‘encodePretty'’, namely
        ‘Config {confIndent = 2, confCompare = compare}’
      In the second argument of ‘(.)’, namely
        ‘encodePretty' (Config {confIndent = 2, confCompare = compare})’
cabal: Leaving directory '/tmp/cabal-tmp-8071/pandoc-citeproc-0.10'
cabal: Error: some packages failed to install:
pandoc-citeproc-0.10 failed during the building phase. The exception was:
ExitFailure 1