Resolving dependencies... Configuring ansi-terminal-0.6.2.3... Configuring base-compat-0.9.1... Building ansi-terminal-0.6.2.3... Building base-compat-0.9.1... Configuring base-orphans-0.5.4... Installed ansi-terminal-0.6.2.3 Configuring base64-bytestring-1.0.0.1... Installed base-compat-0.9.1 Building base-orphans-0.5.4... Building base64-bytestring-1.0.0.1... Configuring base16-bytestring-0.1.1.6... Installed base-orphans-0.5.4 Building base16-bytestring-0.1.1.6... Configuring byteable-0.1.1... Installed base64-bytestring-1.0.0.1 Configuring cereal-0.5.4.0... Installed base16-bytestring-0.1.1.6 Building byteable-0.1.1... Building cereal-0.5.4.0... Configuring data-default-class-0.1.2.0... Installed byteable-0.1.1 Building data-default-class-0.1.2.0... Configuring call-stack-0.1.0... Installed data-default-class-0.1.2.0 Building call-stack-0.1.0... Configuring deepseq-generics-0.2.0.0... Installed call-stack-0.1.0 Configuring haskell-lexer-1.0.1... Installed cereal-0.5.4.0 Building deepseq-generics-0.2.0.0... Building haskell-lexer-1.0.1... Configuring dlist-0.8.0.2... Installed deepseq-generics-0.2.0.0 Building dlist-0.8.0.2... Configuring iso8601-time-0.1.4... Installed dlist-0.8.0.2 Building iso8601-time-0.1.4... Configuring hourglass-0.2.10... Installed iso8601-time-0.1.4 Building hourglass-0.2.10... Configuring memory-0.13... Installed hourglass-0.2.10 Building memory-0.13... Configuring nats-1.1.1... Installed haskell-lexer-1.0.1 Building nats-1.1.1... Configuring mtl-2.2.1... Installed nats-1.1.1 Building mtl-2.2.1... Configuring old-locale-1.0.0.7... Installed memory-0.13 Building old-locale-1.0.0.7... Configuring primitive-0.6.1.0... Installed old-locale-1.0.0.7 Configuring prelude-extras-0.4.0.3... Installed mtl-2.2.1 Building primitive-0.6.1.0... Building prelude-extras-0.4.0.3... Configuring network-2.6.3.1... Installed prelude-extras-0.4.0.3 Configuring random-1.1... Installed primitive-0.6.1.0 Building random-1.1... Building network-2.6.3.1... Configuring safe-0.3.10... Installed random-1.1 Building safe-0.3.10... Configuring stm-2.4.4.1... Installed safe-0.3.10 Building stm-2.4.4.1... Configuring semigroups-0.18.2... Installed stm-2.4.4.1 Building semigroups-0.18.2... Configuring time-locale-compat-0.1.1.3... Installed network-2.6.3.1 Building time-locale-compat-0.1.1.3... Configuring text-1.2.2.1... Installed semigroups-0.18.2 Configuring transformers-compat-0.5.1.4... Installed time-locale-compat-0.1.1.3 Building text-1.2.2.1... Building transformers-compat-0.5.1.4... Configuring unexceptionalio-0.3.0... Installed transformers-compat-0.5.1.4 Building unexceptionalio-0.3.0... Configuring unix-compat-0.4.3.1... Installed unexceptionalio-0.3.0 Building unix-compat-0.4.3.1... Configuring zlib-0.6.1.2... Installed unix-compat-0.4.3.1 Building zlib-0.6.1.2... Installed zlib-0.6.1.2 Configuring ansi-wl-pprint-0.6.7.3... Building ansi-wl-pprint-0.6.7.3... Configuring pretty-show-1.6.12... Installed ansi-wl-pprint-0.6.7.3 Building pretty-show-1.6.12... Configuring asn1-types-0.3.2... Installed text-1.2.2.1 Building asn1-types-0.3.2... Configuring HUnit-1.5.0.0... Installed asn1-types-0.3.2 Building HUnit-1.5.0.0... Configuring IfElse-0.85... Installed pretty-show-1.6.12 Building IfElse-0.85... Configuring pem-0.2.2... Installed IfElse-0.85 Configuring old-time-1.1.0.3... Installed HUnit-1.5.0.0 Building pem-0.2.2... Building old-time-1.1.0.3... Configuring regex-base-0.93.2... Installed pem-0.2.2 Building regex-base-0.93.2... Configuring cryptonite-0.20... Installed old-time-1.1.0.3 Configuring StateVar-1.1.0.4... Installed regex-base-0.93.2 Building cryptonite-0.20... Building StateVar-1.1.0.4... Configuring hslogger-1.2.10... Installed StateVar-1.1.0.4 Building hslogger-1.2.10... Configuring vector-0.11.0.0... Installed hslogger-1.2.10 Building vector-0.11.0.0... Configuring socks-0.5.5... Installed vector-0.11.0.0 Building socks-0.5.5... Configuring async-2.1.1... Installed cryptonite-0.20 Building async-2.1.1... Configuring tagged-0.8.5... Installed socks-0.5.5 Configuring errors-2.1.3... Installed async-2.1.1 Building tagged-0.8.5... Building errors-2.1.3... Configuring exceptions-0.8.3... Installed errors-2.1.3 Building exceptions-0.8.3... Installed tagged-0.8.5 Configuring optparse-applicative-0.13.0.0... Building optparse-applicative-0.13.0.0... Configuring blaze-builder-0.4.0.2... Installed exceptions-0.8.3 Building blaze-builder-0.4.0.2... Configuring hashable-1.2.4.0... Installed optparse-applicative-0.13.0.0 Building hashable-1.2.4.0... Configuring double-conversion-2.0.1.0... Installed blaze-builder-0.4.0.2 Building double-conversion-2.0.1.0... Configuring mime-types-0.1.0.7... Installed hashable-1.2.4.0 Building mime-types-0.1.0.7... Configuring text-binary-0.2.1.1... Installed double-conversion-2.0.1.0 Building text-binary-0.2.1.1... Configuring asn1-encoding-0.9.4... Installed text-binary-0.2.1.1 Building asn1-encoding-0.9.4... Configuring parsec-3.1.11... Installed mime-types-0.1.0.7 Building parsec-3.1.11... Configuring regex-posix-0.95.2... Installed asn1-encoding-0.9.4 Building regex-posix-0.95.2... Configuring vector-binary-instances-0.2.3.3... Installed regex-posix-0.95.2 Building vector-binary-instances-0.2.3.3... Configuring distributive-0.5.0.2... Installed parsec-3.1.11 Configuring cryptohash-0.11.9... Installed vector-binary-instances-0.2.3.3 Building cryptohash-0.11.9... Building distributive-0.5.0.2... Installed distributive-0.5.0.2 Configuring cookie-0.4.2.1... Building cookie-0.4.2.1... Configuring streaming-commons-0.1.16... Installed cryptohash-0.11.9 Building streaming-commons-0.1.16... Configuring case-insensitive-1.2.0.7... Installed cookie-0.4.2.1 Building case-insensitive-1.2.0.7... Configuring scientific-0.3.4.9... Installed case-insensitive-1.2.0.7 Building scientific-0.3.4.9... Configuring unordered-containers-0.2.7.1... Installed streaming-commons-0.1.16 Building unordered-containers-0.2.7.1... Configuring uuid-types-1.0.3... Installed scientific-0.3.4.9 Building uuid-types-1.0.3... Configuring void-0.7.1... Installed uuid-types-1.0.3 Building void-0.7.1... Configuring asn1-parse-0.9.4... Installed void-0.7.1 Building asn1-parse-0.9.4... Configuring regex-compat-0.95.1... Installed unordered-containers-0.2.7.1 Building regex-compat-0.95.1... Configuring network-uri-2.6.1.0... Installed asn1-parse-0.9.4 Building network-uri-2.6.1.0... Installed regex-compat-0.95.1 Configuring http-types-0.9.1... Building http-types-0.9.1... Installed network-uri-2.6.1.0 Configuring contravariant-1.4... Building contravariant-1.4... Configuring x509-1.6.5... Installed http-types-0.9.1 Building x509-1.6.5... Configuring attoparsec-0.13.1.0... Installed contravariant-1.4 Building attoparsec-0.13.1.0... Configuring MissingH-1.4.0.1... Installed x509-1.6.5 Building MissingH-1.4.0.1... Installed attoparsec-0.13.1.0 Configuring http-client-0.5.4... Building http-client-0.5.4... Configuring comonad-5... Installed MissingH-1.4.0.1 Configuring x509-store-1.6.2... Installed http-client-0.5.4 Building x509-store-1.6.2... Building comonad-5... Configuring uri-bytestring-0.2.2.1... Installed x509-store-1.6.2 Building uri-bytestring-0.2.2.1... Configuring aeson-1.0.2.1... Installed comonad-5 Building aeson-1.0.2.1... Configuring bytestring-conversion-0.3.1... Installed uri-bytestring-0.2.2.1 Building bytestring-conversion-0.3.1... Installed bytestring-conversion-0.3.1 Configuring x509-validation-1.6.5... Building x509-validation-1.6.5... Configuring x509-system-1.6.4... Installed x509-validation-1.6.5 Building x509-system-1.6.4... Configuring bifunctors-5.4.1... Installed x509-system-1.6.4 Building bifunctors-5.4.1... Configuring http-api-data-0.3.3... Installed bifunctors-5.4.1 Installed aeson-1.0.2.1 Configuring tls-1.3.8... Building tls-1.3.8... Building http-api-data-0.3.3... Installed http-api-data-0.3.3 Configuring semigroupoids-5.1... Building semigroupoids-5.1... Configuring profunctors-5.2... Installed tls-1.3.8 Building profunctors-5.2... Configuring aeson-compat-0.3.6... Installed semigroupoids-5.1 Building aeson-compat-0.3.6... Installed aeson-compat-0.3.6 Configuring binary-orphans-0.1.5.1... Building binary-orphans-0.1.5.1... Installed profunctors-5.2 Configuring http-link-header-1.0.3... Building http-link-header-1.0.3... Configuring connection-0.2.6... Installed binary-orphans-0.1.5.1 Building connection-0.2.6... Installed http-link-header-1.0.3 Configuring free-4.12.4... Building free-4.12.4... Installed connection-0.2.6 Configuring http-client-tls-0.3.3... Building http-client-tls-0.3.3... Installed http-client-tls-0.3.3 Installed free-4.12.4 Configuring keys-3.11... Configuring adjunctions-4.3... Building keys-3.11... Building adjunctions-4.3... Installed keys-3.11 Installed adjunctions-4.3 Configuring kan-extensions-5.0.1... Building kan-extensions-5.0.1... Installed kan-extensions-5.0.1 Configuring pointed-5... Building pointed-5... Installed pointed-5 Configuring vector-instances-3.3.1... Building vector-instances-3.3.1... Installed vector-instances-3.3.1 Configuring github-0.15.0... Building github-0.15.0... Installed github-0.15.0 Configuring github-backup-1.20150617... Failed to install github-backup-1.20150617 Build log ( /home/builder/.cabal/logs/github-backup-1.20150617.log ): cabal: Entering directory '/tmp/cabal-tmp-19391/github-backup-1.20150617' cabal: Leaving directory '/tmp/cabal-tmp-19391/github-backup-1.20150617' cabal: Error: some packages failed to install: github-backup-1.20150617 failed during the configure step. The exception was: user error ('/opt/ghc/8.0.2/bin/ghc' exited with an error: /tmp/cabal-tmp-19391/github-backup-1.20150617/Utility/Directory.hs:79:43: error: Ambiguous occurrence ‘isSymbolicLink’ It could refer to either ‘System.Directory.isSymbolicLink’, imported from ‘System.Directory’ at /tmp/cabal-tmp-19391/github-backup-1.20150617/Utility/Directory.hs:14:1-23 or ‘Utility.PosixFiles.isSymbolicLink’, imported from ‘Utility.PosixFiles’ at /tmp/cabal-tmp-19391/github-backup-1.20150617/Utility/Directory.hs:30:1-25 (and originally defined in ‘unix-2.7.2.0:System.Posix.Files.Common’) )