Resolving dependencies...
Configuring base-orphans-0.5.4...
Configuring bindings-DSL-1.0.23...
Building bindings-DSL-1.0.23...
Building base-orphans-0.5.4...
Installed base-orphans-0.5.4
Configuring mtl-2.2.1...
Configuring parallel-3.2.1.0...
Installed bindings-DSL-1.0.23
Building mtl-2.2.1...
Building parallel-3.2.1.0...
Configuring prelude-extras-0.4.0.3...
Installed parallel-3.2.1.0
Building prelude-extras-0.4.0.3...
Configuring primitive-0.6.1.0...
Installed mtl-2.2.1
Building primitive-0.6.1.0...
Configuring reflection-2.1.2...
Installed prelude-extras-0.4.0.3
Building reflection-2.1.2...
Configuring semigroups-0.18.2...
Installed primitive-0.6.1.0
Building semigroups-0.18.2...
Configuring stm-2.4.4.1...
Installed semigroups-0.18.2
Building stm-2.4.4.1...
Configuring text-1.2.2.1...
Installed reflection-2.1.2
Building text-1.2.2.1...
Configuring transformers-compat-0.5.1.4...
Installed stm-2.4.4.1
Building transformers-compat-0.5.1.4...
Configuring zlib-0.6.1.2...
Installed transformers-compat-0.5.1.4
Building zlib-0.6.1.2...
Installed zlib-0.6.1.2
Configuring StateVar-1.1.0.4...
Building StateVar-1.1.0.4...
Configuring exceptions-0.8.3...
Installed StateVar-1.1.0.4
Building exceptions-0.8.3...
Configuring vector-0.11.0.0...
Installed exceptions-0.8.3
Building vector-0.11.0.0...
Configuring tagged-0.8.5...
Installed text-1.2.2.1
Building tagged-0.8.5...
Configuring hlibgit2-0.18.0.15...
Installed tagged-0.8.5
Building hlibgit2-0.18.0.15...
Installed vector-0.11.0.0
Configuring system-filepath-0.4.13.4...
Building system-filepath-0.4.13.4...
Configuring distributive-0.5.0.2...
Installed system-filepath-0.4.13.4
Building distributive-0.5.0.2...
Configuring hashable-1.2.4.0...
Installed distributive-0.5.0.2
Building hashable-1.2.4.0...
Installed hashable-1.2.4.0
Configuring stringable-0.1.3...
Building stringable-0.1.3...
Configuring system-fileio-0.3.16.3...
Installed stringable-0.1.3
Building system-fileio-0.3.16.3...
Configuring unordered-containers-0.2.7.2...
Installed system-fileio-0.3.16.3
Building unordered-containers-0.2.7.2...
Configuring void-0.7.1...
Installed unordered-containers-0.2.7.2
Building void-0.7.1...
Installed void-0.7.1
Configuring contravariant-1.4...
Building contravariant-1.4...
Installed contravariant-1.4
Configuring comonad-5...
Building comonad-5...
Installed comonad-5
Configuring bifunctors-5.4.1...
Building bifunctors-5.4.1...
Installed hlibgit2-0.18.0.15
Installed bifunctors-5.4.1
Configuring profunctors-5.2...
Configuring semigroupoids-5.1...
Building profunctors-5.2...
Building semigroupoids-5.1...
Installed profunctors-5.2
Installed semigroupoids-5.1
Configuring free-4.12.4...
Building free-4.12.4...
Installed free-4.12.4
Configuring adjunctions-4.3...
Building adjunctions-4.3...
Installed adjunctions-4.3
Configuring kan-extensions-5.0.1...
Building kan-extensions-5.0.1...
Installed kan-extensions-5.0.1
Configuring lens-4.15.1...
Building lens-4.15.1...
Installed lens-4.15.1
Configuring gitlib-0.2.0...
Building gitlib-0.2.0...
Failed to install gitlib-0.2.0
Build log ( /home/builder/.cabal/logs/gitlib-0.2.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-17545/gitlib-0.2.0'
Configuring gitlib-0.2.0...
Building gitlib-0.2.0...
Preprocessing library gitlib-0.2.0...
[ 1 of 11] Compiling Data.Git.Errors  ( Data/Git/Errors.hs, dist/build/Data/Git/Errors.o )
[ 2 of 11] Compiling Data.Git.Oid     ( Data/Git/Oid.hs, dist/build/Data/Git/Oid.o )
[ 3 of 11] Compiling Data.Git.Internal ( Data/Git/Internal.hs, dist/build/Data/Git/Internal.o )

Data/Git/Internal.hs:25:10: error:
    Conflicting exports for ‘length’:
       ‘module X’ exports ‘X.length’
         imported from ‘Data.Stringable’ at Data/Git/Internal.hs:40:1-37
       ‘module X’ exports ‘Prelude.length’
         imported from ‘Prelude’ at Data/Git/Internal.hs:55:1-76
         (and originally defined in ‘Data.Foldable’)

Data/Git/Internal.hs:25:10: error:
    Conflicting exports for ‘null’:
       ‘module F’ exports ‘X.null’
         imported from ‘Filesystem.Path.CurrentOS’ at Data/Git/Internal.hs:(45,1)-(46,73)
         (and originally defined in ‘Filesystem.Path’)
       ‘module X’ exports ‘Prelude.null’
         imported from ‘Prelude’ at Data/Git/Internal.hs:55:1-76
         (and originally defined in ‘Data.Foldable’)
cabal: Leaving directory '/tmp/cabal-tmp-17545/gitlib-0.2.0'
cabal: Error: some packages failed to install:
gitlib-0.2.0 failed during the building phase. The exception was:
ExitFailure 1