Resolving dependencies...
Configuring dlist-0.8.0.2...
Configuring base-compat-0.9.1...
Building base-compat-0.9.1...
Building dlist-0.8.0.2...
Installed dlist-0.8.0.2
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Configuring primitive-0.6.1.0...
Installed base-compat-0.9.1
Building primitive-0.6.1.0...
Configuring stm-2.4.4.1...
Installed mtl-2.2.1
Building stm-2.4.4.1...
Configuring semigroups-0.18.2...
Installed primitive-0.6.1.0
Building semigroups-0.18.2...
Configuring syb-0.6...
Installed semigroups-0.18.2
Configuring time-locale-compat-0.1.1.3...
Installed stm-2.4.4.1
Building syb-0.6...
Building time-locale-compat-0.1.1.3...
Configuring text-1.2.2.1...
Installed time-locale-compat-0.1.1.3
Building text-1.2.2.1...
Configuring utf8-string-1.0.1.1...
Installed syb-0.6
Building utf8-string-1.0.1.1...
Configuring transformers-compat-0.5.1.4...
Installed utf8-string-1.0.1.1
Building transformers-compat-0.5.1.4...
Installed transformers-compat-0.5.1.4
Configuring exceptions-0.8.3...
Building exceptions-0.8.3...
Configuring vector-0.11.0.0...
Installed exceptions-0.8.3
Building vector-0.11.0.0...
Configuring mmorph-1.0.9...
Installed text-1.2.2.1
Building mmorph-1.0.9...
Configuring tagged-0.8.5...
Installed mmorph-1.0.9
Building tagged-0.8.5...
Configuring transformers-base-0.4.4...
Installed tagged-0.8.5
Building transformers-base-0.4.4...
Installed transformers-base-0.4.4
Configuring hashable-1.2.4.0...
Building hashable-1.2.4.0...
Configuring parsec-3.1.11...
Installed hashable-1.2.4.0
Building parsec-3.1.11...
Configuring monad-control-1.0.1.0...
Installed parsec-3.1.11
Building monad-control-1.0.1.0...
Installed vector-0.11.0.0
Configuring unordered-containers-0.2.7.2...
Building unordered-containers-0.2.7.2...
Installed monad-control-1.0.1.0
Configuring json-0.9.1...
Building json-0.9.1...
Configuring scientific-0.3.4.9...
Installed json-0.9.1
Building scientific-0.3.4.9...
Installed unordered-containers-0.2.7.2
Configuring lifted-base-0.2.3.8...
Building lifted-base-0.2.3.8...
Installed lifted-base-0.2.3.8
Configuring resourcet-1.1.9...
Building resourcet-1.1.9...
Configuring enclosed-exceptions-1.0.2...
Installed scientific-0.3.4.9
Building enclosed-exceptions-1.0.2...
Installed enclosed-exceptions-1.0.2
Configuring attoparsec-0.13.1.0...
Building attoparsec-0.13.1.0...
Installed resourcet-1.1.9
Configuring conduit-1.2.8...
Building conduit-1.2.8...
Installed attoparsec-0.13.1.0
Configuring aeson-1.0.2.1...
Building aeson-1.0.2.1...
Installed conduit-1.2.8
Installed aeson-1.0.2.1
Configuring yaml-0.8.21.1...
Building yaml-0.8.21.1...
Installed yaml-0.8.21.1
Configuring json2yaml-0.2.0...
Building json2yaml-0.2.0...
Failed to install json2yaml-0.2.0
Build log ( /home/builder/.cabal/logs/json2yaml-0.2.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-23627/json2yaml-0.2.0'
Configuring json2yaml-0.2.0...
Building json2yaml-0.2.0...
Preprocessing executable 'json2yaml' for json2yaml-0.2.0...
[1 of 1] Compiling Main             ( json2yaml.hs, dist/build/json2yaml/json2yaml-tmp/Main.o )

json2yaml.hs:2:1: error:
    Failed to load interface for ‘Text.Yaml’
    Use -v to see a list of the files searched for.

json2yaml.hs:4:1: error:
    Failed to load interface for ‘System.IO.UTF8’
    Use -v to see a list of the files searched for.
cabal: Leaving directory '/tmp/cabal-tmp-23627/json2yaml-0.2.0'
cabal: Error: some packages failed to install:
json2yaml-0.2.0 failed during the building phase. The exception was:
ExitFailure 1