Resolving dependencies... Configuring base64-bytestring-1.0.0.1... Configuring base-orphans-0.5.4... Building base64-bytestring-1.0.0.1... Building base-orphans-0.5.4... Configuring data-default-class-0.1.2.0... Installed base-orphans-0.5.4 Building data-default-class-0.1.2.0... Installed base64-bytestring-1.0.0.1 Configuring dlist-0.8.0.2... Building dlist-0.8.0.2... Configuring mtl-2.2.1... Installed data-default-class-0.1.2.0 Building mtl-2.2.1... Configuring fail-4.9.0.0... Installed dlist-0.8.0.2 Building fail-4.9.0.0... Configuring parallel-3.2.1.0... Installed fail-4.9.0.0 Building parallel-3.2.1.0... Configuring old-locale-1.0.0.7... Installed mtl-2.2.1 Building old-locale-1.0.0.7... 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 old-locale-1.0.0.7 Building primitive-0.6.1.0... Configuring random-1.1... Installed prelude-extras-0.4.0.3 Building random-1.1... Configuring split-0.2.3.1... Installed primitive-0.6.1.0 Building split-0.2.3.1... Configuring semigroups-0.18.2... Installed split-0.2.3.1 Configuring stm-2.4.4.1... Installed random-1.1 Building semigroups-0.18.2... Building stm-2.4.4.1... Configuring reflection-2.1.2... Installed semigroups-0.18.2 Building reflection-2.1.2... Configuring syb-0.6... Installed stm-2.4.4.1 Building syb-0.6... Configuring transformers-compat-0.5.1.4... Installed syb-0.6 Configuring text-1.2.2.1... Installed reflection-2.1.2 Building transformers-compat-0.5.1.4... Building text-1.2.2.1... 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 data-default-instances-dlist-0.0.1... Building data-default-instances-dlist-0.0.1... Configuring data-default-instances-containers-0.0.1... Installed data-default-instances-dlist-0.0.1 Building data-default-instances-containers-0.0.1... Configuring data-default-instances-old-locale-0.0.1... Installed data-default-instances-containers-0.0.1 Building data-default-instances-old-locale-0.0.1... Configuring casing-0.1.0.1... Installed data-default-instances-old-locale-0.0.1 Building casing-0.1.0.1... Configuring StateVar-1.1.0.4... Installed casing-0.1.0.1 Building StateVar-1.1.0.4... Configuring vector-0.11.0.0... Installed StateVar-1.1.0.4 Building vector-0.11.0.0... Configuring tagged-0.8.5... Installed text-1.2.2.1 Building tagged-0.8.5... Configuring exceptions-0.8.3... Installed tagged-0.8.5 Building exceptions-0.8.3... Installed exceptions-0.8.3 Configuring hashable-1.2.4.0... Building hashable-1.2.4.0... Configuring data-default-0.7.1.1... Installed hashable-1.2.4.0 Building data-default-0.7.1.1... Configuring string-convert-4.0.0.1... Installed data-default-0.7.1.1 Building string-convert-4.0.0.1... Configuring distributive-0.5.0.2... Installed string-convert-4.0.0.1 Building distributive-0.5.0.2... Installed distributive-0.5.0.2 Configuring void-0.7.1... Building void-0.7.1... Configuring unordered-containers-0.2.7.2... Installed void-0.7.1 Building unordered-containers-0.2.7.2... Configuring contravariant-1.4... Installed vector-0.11.0.0 Building contravariant-1.4... Installed contravariant-1.4 Configuring comonad-5... Configuring scientific-0.3.4.9... Installed unordered-containers-0.2.7.2 Building scientific-0.3.4.9... Building comonad-5... Installed scientific-0.3.4.9 Configuring attoparsec-0.13.1.0... Installed comonad-5 Configuring bifunctors-5.4.1... Building attoparsec-0.13.1.0... Building bifunctors-5.4.1... Installed attoparsec-0.13.1.0 Configuring aeson-0.11.2.1... Building aeson-0.11.2.1... Installed bifunctors-5.4.1 Configuring semigroupoids-5.1... Building semigroupoids-5.1... Configuring profunctors-5.2... Installed semigroupoids-5.1 Installed aeson-0.11.2.1 Building profunctors-5.2... Installed profunctors-5.2 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-4.14... Building lens-4.14... Installed lens-4.14 Configuring praglude-0.4.0.0... Building praglude-0.4.0.0... Failed to install praglude-0.4.0.0 Build log ( /home/builder/.cabal/logs/praglude-0.4.0.0.log ): cabal: Entering directory '/tmp/cabal-tmp-10333/praglude-0.4.0.0' Configuring praglude-0.4.0.0... Building praglude-0.4.0.0... Preprocessing library praglude-0.4.0.0... [1 of 1] Compiling Praglude ( src/Praglude.hs, dist/build/Praglude.o ) src/Praglude.hs:1329:11: error: Not in scope: type constructor or class ‘FromString’ Perhaps you meant ‘ToString’ (imported from Text.StringConvert) src/Praglude.hs:1332:11: error: Not in scope: type constructor or class ‘FromString’ Perhaps you meant ‘ToString’ (imported from Text.StringConvert) src/Praglude.hs:1335:10: error: Not in scope: type constructor or class ‘FromString’ Perhaps you meant ‘ToString’ (imported from Text.StringConvert) src/Praglude.hs:1338:11: error: Not in scope: type constructor or class ‘FromString’ Perhaps you meant ‘ToString’ (imported from Text.StringConvert) src/Praglude.hs:1341:11: error: Not in scope: type constructor or class ‘FromString’ Perhaps you meant ‘ToString’ (imported from Text.StringConvert) cabal: Leaving directory '/tmp/cabal-tmp-10333/praglude-0.4.0.0' cabal: Error: some packages failed to install: praglude-0.4.0.0 failed during the building phase. The exception was: ExitFailure 1