Resolving dependencies...
Configuring base16-bytestring-0.1.1.6...
Configuring base-orphans-0.5.4...
Building base16-bytestring-0.1.1.6...
Building base-orphans-0.5.4...
Installed base-orphans-0.5.4
Configuring base64-bytestring-1.0.0.1...
Configuring mtl-2.2.1...
Installed base16-bytestring-0.1.1.6
Building base64-bytestring-1.0.0.1...
Building mtl-2.2.1...
Configuring network-2.6.3.1...
Installed base64-bytestring-1.0.0.1
Configuring prelude-extras-0.4.0.3...
Installed mtl-2.2.1
Building prelude-extras-0.4.0.3...
Building network-2.6.3.1...
Configuring primitive-0.6.1.0...
Installed prelude-extras-0.4.0.3
Building primitive-0.6.1.0...
Configuring semigroups-0.18.2...
Installed network-2.6.3.1
Building semigroups-0.18.2...
Configuring split-0.2.3.1...
Installed primitive-0.6.1.0
Building split-0.2.3.1...
Configuring random-1.1...
Installed semigroups-0.18.2
Building random-1.1...
Configuring stm-2.4.4.1...
Installed split-0.2.3.1
Building stm-2.4.4.1...
Configuring text-1.2.2.1...
Installed random-1.1
Configuring transformers-compat-0.5.1.4...
Installed stm-2.4.4.1
Building text-1.2.2.1...
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Configuring unix-compat-0.4.2.0...
Installed transformers-compat-0.5.1.4
Building unix-compat-0.4.2.0...
Configuring zlib-0.6.1.2...
Installed unix-compat-0.4.2.0
Building zlib-0.6.1.2...
Installed zlib-0.6.1.2
Configuring regex-base-0.93.2...
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Configuring StateVar-1.1.0.4...
Installed regex-base-0.93.2
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Configuring vector-0.11.0.0...
Installed StateVar-1.1.0.4
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Configuring async-2.1.1...
Installed text-1.2.2.1
Building async-2.1.1...
Configuring MonadRandom-0.4.2.3...
Installed async-2.1.1
Building MonadRandom-0.4.2.3...
Configuring mmorph-1.0.9...
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Configuring tagged-0.8.5...
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Installed hashable-1.2.4.0
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Configuring chunked-data-0.3.0...
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Configuring mwc-random-0.13.4.0...
Installed distributive-0.5.0.2
Configuring vector-algorithms-0.7.0.1...
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Building vector-algorithms-0.7.0.1...
Configuring unordered-containers-0.2.7.1...
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Configuring scientific-0.3.4.9...
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Configuring void-0.7.1...
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Configuring mono-traversable-1.0.1...
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Configuring contravariant-1.4...
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Building contravariant-1.4...
Configuring resourcet-1.1.8.1...
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Configuring comonad-5...
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Configuring conduit-1.2.8...
Building conduit-1.2.8...
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Configuring bifunctors-5.4.1...
Building bifunctors-5.4.1...
Installed conduit-1.2.8
Configuring conduit-extra-1.1.15...
Building conduit-extra-1.1.15...
Installed bifunctors-5.4.1
Configuring profunctors-5.2...
Building profunctors-5.2...
Installed conduit-extra-1.1.15
Configuring conduit-combinators-1.0.8.2...
Building conduit-combinators-1.0.8.2...
Configuring semigroupoids-5.1...
Installed profunctors-5.2
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Building semigroupoids-5.1...
Installed semigroupoids-5.1
Configuring free-4.12.4...
Building free-4.12.4...
Installed free-4.12.4
Configuring either-4.4.1.1...
Building either-4.4.1.1...
Installed either-4.4.1.1
Configuring conduit-find-0.1.0.1...
Building conduit-find-0.1.0.1...
Failed to install conduit-find-0.1.0.1
Build log ( /home/builder/.cabal/logs/conduit-find-0.1.0.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-9260/conduit-find-0.1.0.1'
Configuring conduit-find-0.1.0.1...
Building conduit-find-0.1.0.1...
Preprocessing library conduit-find-0.1.0.1...
[1 of 2] Compiling Data.Cond        ( Data/Cond.hs, dist/build/Data/Cond.o )
[2 of 2] Compiling Data.Conduit.Find ( Data/Conduit/Find.hs, dist/build/Data/Conduit/Find.o )
Preprocessing executable 'find-hs' for conduit-find-0.1.0.1...
[1 of 1] Compiling Main             ( test/find-hs.hs, dist/build/find-hs/find-hs-tmp/Main.o )

test/find-hs.hs:9:1: error:
    Failed to load interface for ‘System.Posix.Process’
    It is a member of the hidden package ‘unix-2.7.2.0’.
    Perhaps you need to add ‘unix’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-9260/conduit-find-0.1.0.1'
cabal: Error: some packages failed to install:
conduit-find-0.1.0.1 failed during the building phase. The exception was:
ExitFailure 1