Resolving dependencies... Configuring data-default-class-0.1.2.0... Configuring dlist-0.8.0.2... Building data-default-class-0.1.2.0... Building dlist-0.8.0.2... Installed data-default-class-0.1.2.0 Configuring microlens-0.4.7.0... Building microlens-0.4.7.0... Configuring mtl-2.2.1... Installed dlist-0.8.0.2 Building mtl-2.2.1... Configuring old-locale-1.0.0.7... Installed microlens-0.4.7.0 Building old-locale-1.0.0.7... Configuring network-2.6.3.1... Installed mtl-2.2.1 Configuring parallel-3.2.1.0... Installed old-locale-1.0.0.7 Building parallel-3.2.1.0... Building network-2.6.3.1... Configuring random-1.1... Installed parallel-3.2.1.0 Building random-1.1... Configuring stm-2.4.4.1... Installed random-1.1 Building stm-2.4.4.1... Configuring primitive-0.6.1.0... Installed stm-2.4.4.1 Building primitive-0.6.1.0... Configuring transformers-compat-0.5.1.4... Installed network-2.6.3.1 Building transformers-compat-0.5.1.4... Configuring text-1.2.2.1... Installed transformers-compat-0.5.1.4 Building text-1.2.2.1... Configuring unix-compat-0.4.3.1... Installed primitive-0.6.1.0 Building unix-compat-0.4.3.1... Configuring utf8-string-1.0.1.1... Installed unix-compat-0.4.3.1 Building utf8-string-1.0.1.1... Configuring data-default-instances-containers-0.0.1... Installed utf8-string-1.0.1.1 Building data-default-instances-containers-0.0.1... Installed data-default-instances-containers-0.0.1 Configuring data-default-instances-dlist-0.0.1... Building data-default-instances-dlist-0.0.1... Configuring data-default-instances-old-locale-0.0.1... Installed data-default-instances-dlist-0.0.1 Building data-default-instances-old-locale-0.0.1... Configuring microlens-th-0.4.1.0... Installed data-default-instances-old-locale-0.0.1 Building microlens-th-0.4.1.0... Configuring regex-base-0.93.2... Installed text-1.2.2.1 Building regex-base-0.93.2... Configuring microlens-mtl-0.1.10.0... Installed regex-base-0.93.2 Building microlens-mtl-0.1.10.0... Configuring tf-random-0.5... Installed microlens-th-0.4.1.0 Building tf-random-0.5... Configuring vector-0.11.0.0... Installed microlens-mtl-0.1.10.0 Building vector-0.11.0.0... Installed tf-random-0.5 Configuring data-default-0.7.1.1... Building data-default-0.7.1.1... Installed data-default-0.7.1.1 Configuring hashable-1.2.4.0... Building hashable-1.2.4.0... Configuring blaze-builder-0.4.0.2... Installed hashable-1.2.4.0 Building blaze-builder-0.4.0.2... Configuring tagsoup-0.14... Installed blaze-builder-0.4.0.2 Building tagsoup-0.14... Configuring parsec-3.1.11... Installed tagsoup-0.14 Building parsec-3.1.11... Configuring QuickCheck-2.7.6... Installed vector-0.11.0.0 Building QuickCheck-2.7.6... Installed parsec-3.1.11 Configuring unordered-containers-0.2.7.1... Building unordered-containers-0.2.7.1... Configuring scientific-0.3.4.9... Installed QuickCheck-2.7.6 Building scientific-0.3.4.9... Installed scientific-0.3.4.9 Configuring network-uri-2.6.1.0... Building network-uri-2.6.1.0... Installed unordered-containers-0.2.7.1 Configuring vty-5.14... Building vty-5.14... Configuring attoparsec-0.13.1.0... Installed network-uri-2.6.1.0 Building attoparsec-0.13.1.0... Configuring HTTP-4000.3.3... Installed attoparsec-0.13.1.0 Building HTTP-4000.3.3... Configuring configurator-0.3.0.0... Installed HTTP-4000.3.3 Building configurator-0.3.0.0... Installed configurator-0.3.0.0 Installed vty-5.14 Configuring vty-ui-1.9... Building vty-ui-1.9... Failed to install vty-ui-1.9 Build log ( /home/builder/.cabal/logs/vty-ui-1.9.log ): cabal: Entering directory '/tmp/cabal-tmp-6155/vty-ui-1.9' Configuring vty-ui-1.9... Building vty-ui-1.9... Preprocessing library vty-ui-1.9... [ 1 of 27] Compiling Graphics.Vty.Widgets.Util ( src/Graphics/Vty/Widgets/Util.hs, dist/build/Graphics/Vty/Widgets/Util.o ) src/Graphics/Vty/Widgets/Util.hs:27:1: warning: [-Wunused-imports] The import of ‘Control.Applicative’ is redundant except perhaps to import instances from ‘Control.Applicative’ To import instances alone, use: import Control.Applicative() [ 2 of 27] Compiling Text.Trans.Tokenize ( src/Text/Trans/Tokenize.hs, dist/build/Text/Trans/Tokenize.o ) src/Text/Trans/Tokenize.hs:32:1: warning: [-Wunused-imports] The import of ‘Control.Applicative’ is redundant except perhaps to import instances from ‘Control.Applicative’ To import instances alone, use: import Control.Applicative() [ 3 of 27] Compiling Graphics.Vty.Widgets.TextZipper ( src/Graphics/Vty/Widgets/TextZipper.hs, dist/build/Graphics/Vty/Widgets/TextZipper.o ) src/Graphics/Vty/Widgets/TextZipper.hs:42:1: warning: [-Wunused-imports] The import of ‘Data.Monoid’ is redundant except perhaps to import instances from ‘Data.Monoid’ To import instances alone, use: import Data.Monoid() [ 4 of 27] Compiling Graphics.Vty.Widgets.TextClip ( src/Graphics/Vty/Widgets/TextClip.hs, dist/build/Graphics/Vty/Widgets/TextClip.o ) src/Graphics/Vty/Widgets/TextClip.hs:23:1: warning: [-Wunused-imports] The import of ‘Control.Applicative’ is redundant except perhaps to import instances from ‘Control.Applicative’ To import instances alone, use: import Control.Applicative() [ 5 of 27] Compiling Graphics.Vty.Widgets.Skins ( src/Graphics/Vty/Widgets/Skins.hs, dist/build/Graphics/Vty/Widgets/Skins.o ) [ 6 of 27] Compiling Graphics.Vty.Widgets.Events ( src/Graphics/Vty/Widgets/Events.hs, dist/build/Graphics/Vty/Widgets/Events.o ) [ 7 of 27] Compiling Graphics.Vty.Widgets.Core ( src/Graphics/Vty/Widgets/Core.hs, dist/build/Graphics/Vty/Widgets/Core.o ) src/Graphics/Vty/Widgets/Core.hs:79:1: warning: [-Wunused-imports] The import of ‘Control.Applicative’ is redundant except perhaps to import instances from ‘Control.Applicative’ To import instances alone, use: import Control.Applicative() [ 8 of 27] Compiling Graphics.Vty.Widgets.Edit ( src/Graphics/Vty/Widgets/Edit.hs, dist/build/Graphics/Vty/Widgets/Edit.o ) [ 9 of 27] Compiling Graphics.Vty.Widgets.EventLoop ( src/Graphics/Vty/Widgets/EventLoop.hs, dist/build/Graphics/Vty/Widgets/EventLoop.o ) [10 of 27] Compiling Graphics.Vty.Widgets.Fills ( src/Graphics/Vty/Widgets/Fills.hs, dist/build/Graphics/Vty/Widgets/Fills.o ) [11 of 27] Compiling Graphics.Vty.Widgets.Fixed ( src/Graphics/Vty/Widgets/Fixed.hs, dist/build/Graphics/Vty/Widgets/Fixed.o ) [12 of 27] Compiling Graphics.Vty.Widgets.Group ( src/Graphics/Vty/Widgets/Group.hs, dist/build/Graphics/Vty/Widgets/Group.o ) [13 of 27] Compiling Graphics.Vty.Widgets.Limits ( src/Graphics/Vty/Widgets/Limits.hs, dist/build/Graphics/Vty/Widgets/Limits.o ) [14 of 27] Compiling Graphics.Vty.Widgets.Padding ( src/Graphics/Vty/Widgets/Padding.hs, dist/build/Graphics/Vty/Widgets/Padding.o ) src/Graphics/Vty/Widgets/Padding.hs:22:1: warning: [-Wunused-imports] The import of ‘Data.Monoid’ is redundant except perhaps to import instances from ‘Data.Monoid’ To import instances alone, use: import Data.Monoid() [15 of 27] Compiling Graphics.Vty.Widgets.Text ( src/Graphics/Vty/Widgets/Text.hs, dist/build/Graphics/Vty/Widgets/Text.o ) src/Graphics/Vty/Widgets/Text.hs:30:1: warning: [-Wunused-imports] The import of ‘Control.Applicative’ is redundant except perhaps to import instances from ‘Control.Applicative’ To import instances alone, use: import Control.Applicative() src/Graphics/Vty/Widgets/Text.hs:31:1: warning: [-Wunused-imports] The import of ‘Data.Monoid’ is redundant except perhaps to import instances from ‘Data.Monoid’ To import instances alone, use: import Data.Monoid() [16 of 27] Compiling Graphics.Vty.Widgets.List ( src/Graphics/Vty/Widgets/List.hs, dist/build/Graphics/Vty/Widgets/List.o ) [17 of 27] Compiling Graphics.Vty.Widgets.CheckBox ( src/Graphics/Vty/Widgets/CheckBox.hs, dist/build/Graphics/Vty/Widgets/CheckBox.o ) [18 of 27] Compiling Graphics.Vty.Widgets.Centering ( src/Graphics/Vty/Widgets/Centering.hs, dist/build/Graphics/Vty/Widgets/Centering.o ) [19 of 27] Compiling Graphics.Vty.Widgets.Button ( src/Graphics/Vty/Widgets/Button.hs, dist/build/Graphics/Vty/Widgets/Button.o ) [20 of 27] Compiling Graphics.Vty.Widgets.Box ( src/Graphics/Vty/Widgets/Box.hs, dist/build/Graphics/Vty/Widgets/Box.o ) [21 of 27] Compiling Graphics.Vty.Widgets.DirBrowser ( src/Graphics/Vty/Widgets/DirBrowser.hs, dist/build/Graphics/Vty/Widgets/DirBrowser.o ) src/Graphics/Vty/Widgets/DirBrowser.hs:237:16: error: Ambiguous occurrence ‘isSymbolicLink’ It could refer to either ‘System.Directory.isSymbolicLink’, imported from ‘System.Directory’ at src/Graphics/Vty/Widgets/DirBrowser.hs:34:1-23 or ‘System.Posix.Files.isSymbolicLink’, imported from ‘System.Posix.Files’ at src/Graphics/Vty/Widgets/DirBrowser.hs:36:1-25 (and originally defined in ‘unix-2.7.2.0:System.Posix.Files.Common’) src/Graphics/Vty/Widgets/DirBrowser.hs:239:32: error: Ambiguous occurrence ‘isSymbolicLink’ It could refer to either ‘System.Directory.isSymbolicLink’, imported from ‘System.Directory’ at src/Graphics/Vty/Widgets/DirBrowser.hs:34:1-23 or ‘System.Posix.Files.isSymbolicLink’, imported from ‘System.Posix.Files’ at src/Graphics/Vty/Widgets/DirBrowser.hs:36:1-25 (and originally defined in ‘unix-2.7.2.0:System.Posix.Files.Common’) cabal: Leaving directory '/tmp/cabal-tmp-6155/vty-ui-1.9' cabal: Error: some packages failed to install: pgdl-7.77 depends on vty-ui-1.9 which failed to install. vty-ui-1.9 failed during the building phase. The exception was: ExitFailure 1