Resolving dependencies...
Configuring base-orphans-0.5.4...
Configuring base-compat-0.9.1...
Building base-orphans-0.5.4...
Building base-compat-0.9.1...
Configuring dlist-0.8.0.2...
Installed base-orphans-0.5.4
Building dlist-0.8.0.2...
Configuring parallel-3.2.1.0...
Installed base-compat-0.9.1
Building parallel-3.2.1.0...
Configuring mtl-2.2.1...
Installed dlist-0.8.0.2
Building mtl-2.2.1...
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 random-1.1...
Installed semigroups-0.18.2
Building random-1.1...
Configuring stm-2.4.4.1...
Installed reflection-2.1.2
Building stm-2.4.4.1...
Configuring text-1.2.2.1...
Installed random-1.1
Configuring time-locale-compat-0.1.1.3...
Installed stm-2.4.4.1
Building text-1.2.2.1...
Building time-locale-compat-0.1.1.3...
Configuring transformers-compat-0.5.1.4...
Installed time-locale-compat-0.1.1.3
Building transformers-compat-0.5.1.4...
Configuring utf8-string-1.0.1.1...
Installed transformers-compat-0.5.1.4
Building utf8-string-1.0.1.1...
Installed utf8-string-1.0.1.1
Configuring StateVar-1.1.0.4...
Building StateVar-1.1.0.4...
Configuring mmorph-1.0.9...
Installed StateVar-1.1.0.4
Building mmorph-1.0.9...
Configuring vector-0.11.0.0...
Installed mmorph-1.0.9
Building vector-0.11.0.0...
Configuring exceptions-0.8.3...
Installed text-1.2.2.1
Building exceptions-0.8.3...
Configuring tagged-0.8.5...
Installed exceptions-0.8.3
Building tagged-0.8.5...
Installed tagged-0.8.5
Configuring blaze-builder-0.4.0.2...
Building blaze-builder-0.4.0.2...
Configuring hashable-1.2.4.0...
Installed blaze-builder-0.4.0.2
Building hashable-1.2.4.0...
Configuring parsec-3.1.11...
Installed hashable-1.2.4.0
Building parsec-3.1.11...
Configuring string-conversions-0.4...
Installed parsec-3.1.11
Configuring system-filepath-0.4.13.4...
Installed vector-0.11.0.0
Building string-conversions-0.4...
Configuring distributive-0.5.0.2...
Installed string-conversions-0.4
Building system-filepath-0.4.13.4...
Building distributive-0.5.0.2...
Installed system-filepath-0.4.13.4
Configuring case-insensitive-1.2.0.7...
Building case-insensitive-1.2.0.7...
Configuring uuid-types-1.0.3...
Installed distributive-0.5.0.2
Building uuid-types-1.0.3...
Configuring void-0.7.1...
Installed case-insensitive-1.2.0.7
Building void-0.7.1...
Configuring unordered-containers-0.2.7.1...
Installed uuid-types-1.0.3
Configuring network-uri-2.6.1.0...
Installed void-0.7.1
Building unordered-containers-0.2.7.1...
Building network-uri-2.6.1.0...
Configuring scientific-0.3.4.9...
Installed network-uri-2.6.1.0
Building scientific-0.3.4.9...
Installed unordered-containers-0.2.7.1
Configuring http-media-0.6.4...
Configuring contravariant-1.4...
Installed scientific-0.3.4.9
Building http-media-0.6.4...
Building contravariant-1.4...
Configuring http-types-0.9.1...
Installed http-media-0.6.4
Building http-types-0.9.1...
Configuring vault-0.3.0.6...
Installed contravariant-1.4
Building vault-0.3.0.6...
Installed vault-0.3.0.6
Configuring comonad-5...
Configuring attoparsec-0.13.1.0...
Installed http-types-0.9.1
Building attoparsec-0.13.1.0...
Building comonad-5...
Installed comonad-5
Configuring bifunctors-5.4.1...
Building bifunctors-5.4.1...
Installed attoparsec-0.13.1.0
Configuring uri-bytestring-0.2.2.1...
Building uri-bytestring-0.2.2.1...
Configuring aeson-1.0.2.1...
Installed uri-bytestring-0.2.2.1
Building aeson-1.0.2.1...
Installed bifunctors-5.4.1
Configuring http-api-data-0.3.3...
Building http-api-data-0.3.3...
Configuring profunctors-5.2...
Installed http-api-data-0.3.3
Building profunctors-5.2...
Configuring semigroupoids-5.1...
Installed profunctors-5.2
Installed aeson-1.0.2.1
Configuring servant-0.9.1.1...
Building servant-0.9.1.1...
Building semigroupoids-5.1...
Installed servant-0.9.1.1
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 servant-docs-0.2...
Building servant-docs-0.2...
Failed to install servant-docs-0.2
Build log ( /home/builder/.cabal/logs/servant-docs-0.2.log ):
cabal: Entering directory '/tmp/cabal-tmp-21974/servant-docs-0.2'
Configuring servant-docs-0.2...
Building servant-docs-0.2...
Preprocessing library servant-docs-0.2...
[1 of 1] Compiling Servant.Docs     ( src/Servant/Docs.hs, dist/build/Servant/Docs.o )

src/Servant/Docs.hs:122:1: error:
    Failed to load interface for ‘Servant’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-21974/servant-docs-0.2'
cabal: Error: some packages failed to install:
servant-docs-0.2 failed during the building phase. The exception was:
ExitFailure 1