Resolving dependencies... Configuring ansi-terminal-0.6.2.3... Configuring appar-0.1.4... Building appar-0.1.4... Building ansi-terminal-0.6.2.3... Installed appar-0.1.4 Configuring auto-update-0.1.4... Building auto-update-0.1.4... Configuring base-compat-0.9.1... Installed ansi-terminal-0.6.2.3 Building base-compat-0.9.1... Configuring base64-bytestring-1.0.0.1... Installed auto-update-0.1.4 Building base64-bytestring-1.0.0.1... Configuring byteable-0.1.1... Installed base-compat-0.9.1 Configuring byteorder-1.0.4... Installed base64-bytestring-1.0.0.1 Building byteable-0.1.1... Building byteorder-1.0.4... Configuring bytestring-builder-0.10.8.1.0... Installed byteable-0.1.1 Configuring cereal-0.5.4.0... Installed byteorder-1.0.4 Building bytestring-builder-0.10.8.1.0... Building cereal-0.5.4.0... Configuring cmdargs-0.10.14... Installed bytestring-builder-0.10.8.1.0 Building cmdargs-0.10.14... Configuring data-default-class-0.1.2.0... Installed cereal-0.5.4.0 Building data-default-class-0.1.2.0... Configuring deepseq-generics-0.2.0.0... Installed data-default-class-0.1.2.0 Building deepseq-generics-0.2.0.0... Configuring dlist-0.8.0.2... Installed deepseq-generics-0.2.0.0 Building dlist-0.8.0.2... Configuring easy-file-0.2.1... Installed dlist-0.8.0.2 Building easy-file-0.2.1... Configuring entropy-0.3.7... Installed easy-file-0.2.1 Building entropy-0.3.7... Configuring hourglass-0.2.10... Installed cmdargs-0.10.14 Building hourglass-0.2.10... Configuring memory-0.13... Installed entropy-0.3.7 Building memory-0.13... Configuring monad-loops-0.4.3... Installed hourglass-0.2.10 Building monad-loops-0.4.3... Configuring mtl-2.2.1... Installed memory-0.13 Building mtl-2.2.1... Configuring nats-1.1.1... Installed monad-loops-0.4.3 Building nats-1.1.1... Configuring network-2.6.3.1... Installed nats-1.1.1 Configuring old-locale-1.0.0.7... Installed mtl-2.2.1 Building network-2.6.3.1... Building old-locale-1.0.0.7... Configuring primitive-0.6.1.0... Installed old-locale-1.0.0.7 Building primitive-0.6.1.0... Configuring random-1.1... Installed primitive-0.6.1.0 Building random-1.1... Configuring safe-0.3.10... Installed network-2.6.3.1 Building safe-0.3.10... Configuring semigroups-0.18.2... Installed safe-0.3.10 Configuring setenv-0.1.1.3... Installed random-1.1 Building semigroups-0.18.2... Building setenv-0.1.1.3... Configuring silently-1.2.5... Installed setenv-0.1.1.3 Configuring stm-2.4.4.1... Installed semigroups-0.18.2 Building silently-1.2.5... Building stm-2.4.4.1... Configuring stringsearch-0.3.6.6... Installed silently-1.2.5 Building stringsearch-0.3.6.6... Configuring tar-0.5.0.3... Installed stm-2.4.4.1 Building tar-0.5.0.3... Configuring time-locale-compat-0.1.1.3... Installed stringsearch-0.3.6.6 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 transformers-compat-0.5.1.4... Installed tar-0.5.0.3 Building transformers-compat-0.5.1.4... Configuring unix-compat-0.4.2.0... Installed transformers-compat-0.5.1.4 Building unix-compat-0.4.2.0... Configuring utf8-string-1.0.1.1... Installed unix-compat-0.4.2.0 Building utf8-string-1.0.1.1... Configuring word8-0.1.2... Installed utf8-string-1.0.1.1 Building word8-0.1.2... Configuring zlib-0.6.1.2... Installed word8-0.1.2 Building zlib-0.6.1.2... Installed text-1.2.2.1 Configuring data-default-instances-containers-0.0.1... Building data-default-instances-containers-0.0.1... Configuring data-default-instances-dlist-0.0.1... Installed zlib-0.6.1.2 Configuring asn1-types-0.3.2... Installed data-default-instances-containers-0.0.1 Building data-default-instances-dlist-0.0.1... Building asn1-types-0.3.2... Installed data-default-instances-dlist-0.0.1 Configuring cryptonite-0.20... Building cryptonite-0.20... Configuring pem-0.2.2... Installed asn1-types-0.3.2 Building pem-0.2.2... Configuring securemem-0.1.9... Installed pem-0.2.2 Building securemem-0.1.9... Configuring data-default-instances-old-locale-0.0.1... Installed securemem-0.1.9 Building data-default-instances-old-locale-0.0.1... Configuring old-time-1.1.0.3... Installed data-default-instances-old-locale-0.0.1 Building old-time-1.1.0.3... Configuring iproute-1.7.1... Installed old-time-1.1.0.3 Building iproute-1.7.1... Configuring vector-0.11.0.0... Installed iproute-1.7.1 Building vector-0.11.0.0... Configuring async-2.1.1... Installed cryptonite-0.20 Building async-2.1.1... Configuring simple-sendfile-0.2.25... Installed async-2.1.1 Building simple-sendfile-0.2.25... Configuring socks-0.5.5... Installed simple-sendfile-0.2.25 Building socks-0.5.5... Configuring exceptions-0.8.3... Installed vector-0.11.0.0 Configuring mmorph-1.0.9... Installed socks-0.5.5 Building exceptions-0.8.3... Building mmorph-1.0.9... Configuring stm-chans-3.0.0.4... Installed mmorph-1.0.9 Configuring tagged-0.8.5... Installed exceptions-0.8.3 Building tagged-0.8.5... Building stm-chans-3.0.0.4... Configuring transformers-base-0.4.4... Installed tagged-0.8.5 Building transformers-base-0.4.4... Configuring hashable-1.2.4.0... Installed stm-chans-3.0.0.4 Building hashable-1.2.4.0... Configuring mime-types-0.1.0.7... Installed transformers-base-0.4.4 Building mime-types-0.1.0.7... Configuring blaze-builder-0.4.0.2... Installed hashable-1.2.4.0 Building blaze-builder-0.4.0.2... Configuring path-pieces-0.2.1... Installed mime-types-0.1.0.7 Configuring tagsoup-0.14... Installed blaze-builder-0.4.0.2 Building path-pieces-0.2.1... Building tagsoup-0.14... Configuring parsec-3.1.11... Installed path-pieces-0.2.1 Building parsec-3.1.11... Installed parsec-3.1.11 Configuring asn1-encoding-0.9.4... Building asn1-encoding-0.9.4... Configuring data-default-0.7.1.1... Installed tagsoup-0.14 Building data-default-0.7.1.1... Configuring crypto-random-0.0.9... Installed data-default-0.7.1.1 Configuring mwc-random-0.13.5.0... Installed asn1-encoding-0.9.4 Building crypto-random-0.0.9... Building mwc-random-0.13.5.0... Configuring unix-time-0.3.7... Installed crypto-random-0.0.9 Building unix-time-0.3.7... Configuring crypto-cipher-types-0.0.9... Installed mwc-random-0.13.5.0 Building crypto-cipher-types-0.0.9... Configuring crypto-api-0.13.2... Installed unix-time-0.3.7 Building crypto-api-0.13.2... Configuring case-insensitive-1.2.0.7... Installed crypto-cipher-types-0.0.9 Building case-insensitive-1.2.0.7... Configuring monad-control-1.0.1.0... Installed case-insensitive-1.2.0.7 Building monad-control-1.0.1.0... Configuring scientific-0.3.4.9... Installed crypto-api-0.13.2 Building scientific-0.3.4.9... Configuring psqueues-0.2.2.3... Installed monad-control-1.0.1.0 Building psqueues-0.2.2.3... Configuring unordered-containers-0.2.7.1... Installed scientific-0.3.4.9 Building unordered-containers-0.2.7.1... Configuring uuid-types-1.0.3... Installed psqueues-0.2.2.3 Building uuid-types-1.0.3... Configuring void-0.7.1... Installed uuid-types-1.0.3 Building void-0.7.1... Configuring cookie-0.4.2.1... Installed void-0.7.1 Building cookie-0.4.2.1... Configuring blaze-markup-0.7.1.1... Installed unordered-containers-0.2.7.1 Building blaze-markup-0.7.1.1... Configuring streaming-commons-0.1.16... Installed cookie-0.4.2.1 Building streaming-commons-0.1.16... Configuring network-uri-2.6.1.0... Installed blaze-markup-0.7.1.1 Building network-uri-2.6.1.0... Installed network-uri-2.6.1.0 Configuring asn1-parse-0.9.4... Building asn1-parse-0.9.4... Configuring cipher-aes-0.2.11... Installed streaming-commons-0.1.16 Building cipher-aes-0.2.11... Configuring http-types-0.9.1... Installed asn1-parse-0.9.4 Building http-types-0.9.1... Configuring fast-logger-2.4.7... Installed cipher-aes-0.2.11 Building fast-logger-2.4.7... Configuring lifted-base-0.2.3.8... Installed http-types-0.9.1 Building lifted-base-0.2.3.8... Configuring resource-pool-0.2.3.2... Installed fast-logger-2.4.7 Configuring skein-1.0.9.4... Installed lifted-base-0.2.3.8 Building resource-pool-0.2.3.2... Building skein-1.0.9.4... Configuring attoparsec-0.13.1.0... Installed resource-pool-0.2.3.2 Building attoparsec-0.13.1.0... Configuring vault-0.3.0.6... Installed skein-1.0.9.4 Building vault-0.3.0.6... Configuring blaze-html-0.8.1.3... Installed vault-0.3.0.6 Building blaze-html-0.8.1.3... Configuring http2-1.6.2... Installed attoparsec-0.13.1.0 Building http2-1.6.2... Installed http2-1.6.2 Configuring x509-1.6.4... Configuring cprng-aes-0.6.1... Installed blaze-html-0.8.1.3 Building x509-1.6.4... Building cprng-aes-0.6.1... Configuring enclosed-exceptions-1.0.2... Installed cprng-aes-0.6.1 Building enclosed-exceptions-1.0.2... Configuring resourcet-1.1.8.1... Installed enclosed-exceptions-1.0.2 Building resourcet-1.1.8.1... Configuring wai-3.2.1.1... Installed x509-1.6.4 Building wai-3.2.1.1... Configuring http-client-0.5.4... Installed wai-3.2.1.1 Configuring css-text-0.1.2.2... Installed resourcet-1.1.8.1 Building http-client-0.5.4... Building css-text-0.1.2.2... Configuring aeson-1.0.2.1... Installed css-text-0.1.2.2 Building aeson-1.0.2.1... Configuring uri-bytestring-0.2.2.1... Installed http-client-0.5.4 Building uri-bytestring-0.2.2.1... Configuring http-date-0.0.6.1... Installed uri-bytestring-0.2.2.1 Building http-date-0.0.6.1... Configuring email-validate-2.2.0... Installed http-date-0.0.6.1 Building email-validate-2.2.0... Installed email-validate-2.2.0 Configuring x509-store-1.6.2... Building x509-store-1.6.2... Configuring wai-logger-2.3.0... Installed x509-store-1.6.2 Configuring clientsession-0.9.1.2... Installed aeson-1.0.2.1 Building wai-logger-2.3.0... Building clientsession-0.9.1.2... Configuring conduit-1.2.8... Installed wai-logger-2.3.0 Building conduit-1.2.8... Configuring http-api-data-0.3.3... Installed clientsession-0.9.1.2 Building http-api-data-0.3.3... Configuring xss-sanitize-0.3.5.7... Installed conduit-1.2.8 Building xss-sanitize-0.3.5.7... Configuring warp-3.2.9... Installed http-api-data-0.3.3 Building warp-3.2.9... Installed xss-sanitize-0.3.5.7 Configuring x509-system-1.6.4... Building x509-system-1.6.4... Configuring aeson-compat-0.3.6... Installed x509-system-1.6.4 Building aeson-compat-0.3.6... Configuring x509-validation-1.6.5... Installed aeson-compat-0.3.6 Building x509-validation-1.6.5... Configuring wai-extra-3.0.19... Installed warp-3.2.9 Configuring shakespeare-2.0.11.2... Installed x509-validation-1.6.5 Building wai-extra-3.0.19... Building shakespeare-2.0.11.2... Configuring yaml-0.8.21.1... Installed wai-extra-3.0.19 Building yaml-0.8.21.1... Configuring conduit-extra-1.1.15... Installed yaml-0.8.21.1 Building conduit-extra-1.1.15... Installed shakespeare-2.0.11.2 Configuring tls-1.3.8... Building tls-1.3.8... Installed conduit-extra-1.1.15 Configuring monad-logger-0.3.20.1... Building monad-logger-0.3.20.1... Installed monad-logger-0.3.20.1 Configuring persistent-2.6... Building persistent-2.6... Configuring yesod-core-1.4.28... Installed tls-1.3.8 Building yesod-core-1.4.28... Configuring connection-0.2.6... Installed persistent-2.6 Building connection-0.2.6... Configuring persistent-template-2.5.1.6... Installed connection-0.2.6 Building persistent-template-2.5.1.6... Configuring http-client-tls-0.3.3... Installed yesod-core-1.4.28 Building http-client-tls-0.3.3... Installed http-client-tls-0.3.3 Configuring http-conduit-2.2.3... Building http-conduit-2.2.3... Installed persistent-template-2.5.1.6 Configuring yesod-persistent-1.4.0.6... Building yesod-persistent-1.4.0.6... Installed http-conduit-2.2.3 Installed yesod-persistent-1.4.0.6 Configuring yesod-form-1.4.9... Building yesod-form-1.4.9... Installed yesod-form-1.4.9 Configuring yackage-0.8.0... Building yackage-0.8.0... Failed to install yackage-0.8.0 Build log ( /home/builder/.cabal/logs/yackage-0.8.0.log ): cabal: Entering directory '/tmp/cabal-tmp-25872/yackage-0.8.0' Configuring yackage-0.8.0... Building yackage-0.8.0... Preprocessing executable 'yackage' for yackage-0.8.0... [1 of 1] Compiling Main ( yackage.hs, dist/build/yackage/yackage-tmp/Main.o ) yackage.hs:217:18: error: • Overlapping instances for FromJSON (Map PackageName (Set Version)) arising from a use of ‘decodeFile’ Matching instances: instance (aeson-1.0.2.1:Data.Aeson.Types.FromJSON.FromJSONKey k, Ord k, FromJSON v) => FromJSON (Map k v) -- Defined in ‘aeson-1.0.2.1:Data.Aeson.Types.FromJSON’ instance FromJSON PackageDB -- Defined at yackage.hs:264:10 • In the expression: decodeFile config In a stmt of a 'do' block: mMay <- if e then decodeFile config else return $ Just Map.empty In the expression: do { progname <- getProgName; args <- cmdArgsRun $ cmdArgsMode $ Args {port = 3500 &= help "Port number", password = Nothing &= help "Optional password required to upload files", localhost = False &= help "Only allow connections from localhost?", rootdir = Nothing &= help "Root folder for Yackage config file and packages", title = "Yackage" &= help "Page title displayed in browser"} &= program progname &= summary "Run a Yackage server"; path <- case rootdir args of { Nothing -> getAppUserDataDirectory "yackage" Just s -> return s }; createDirectoryIfMissing True $ path ++ "/package"; .... } yackage.hs:264:10: error: • Overlapping instances for FromJSON PackageDB arising from a use of ‘aeson-1.0.2.1:Data.Aeson.Types.FromJSON.$dmparseJSONList’ Matching instances: instance (aeson-1.0.2.1:Data.Aeson.Types.FromJSON.FromJSONKey k, Ord k, FromJSON v) => FromJSON (Map k v) -- Defined in ‘aeson-1.0.2.1:Data.Aeson.Types.FromJSON’ instance FromJSON PackageDB -- Defined at yackage.hs:264:10 • In the expression: aeson-1.0.2.1:Data.Aeson.Types.FromJSON.$dmparseJSONList @PackageDB In an equation for ‘parseJSONList’: parseJSONList = aeson-1.0.2.1:Data.Aeson.Types.FromJSON.$dmparseJSONList @PackageDB In the instance declaration for ‘FromJSON PackageDB’ cabal: Leaving directory '/tmp/cabal-tmp-25872/yackage-0.8.0' cabal: Error: some packages failed to install: yackage-0.8.0 failed during the building phase. The exception was: ExitFailure 1