Warning: The install command is a part of the legacy v1 style of cabal usage. Please switch to using either the new project style and the new-install command or the legacy v1-install alias as new-style projects will become the default in the next version of cabal-install. Please file a bug if you cannot replicate a working v1- use case with the new-style commands. For more information, see: https://wiki.haskell.org/Cabal/NewBuild Resolving dependencies... Starting dlist-0.8.0.5 Starting erf-2.0.0.0 Starting hashable-1.2.7.0 Starting base-compat-0.10.5 Building erf-2.0.0.0 Building dlist-0.8.0.5 Building hashable-1.2.7.0 Building base-compat-0.10.5 Completed erf-2.0.0.0 Starting integer-logarithms-1.0.2.2 Building integer-logarithms-1.0.2.2 Completed dlist-0.8.0.5 Starting primitive-0.6.4.0 Building primitive-0.6.4.0 Completed hashable-1.2.7.0 Starting random-1.1 Completed integer-logarithms-1.0.2.2 Starting tagged-0.8.6 Building random-1.1 Building tagged-0.8.6 Completed base-compat-0.10.5 Starting th-abstraction-0.2.11.0 Building th-abstraction-0.2.11.0 Completed tagged-0.8.6 Starting time-locale-compat-0.1.1.5 Completed random-1.1 Starting validity-0.9.0.1 Building time-locale-compat-0.1.1.5 Building validity-0.9.0.1 Completed time-locale-compat-0.1.1.5 Starting unordered-containers-0.2.10.0 Building unordered-containers-0.2.10.0 Completed validity-0.9.0.1 Starting uuid-types-1.0.3 Completed th-abstraction-0.2.11.0 Starting validity-text-0.3.1.0 Building uuid-types-1.0.3 Building validity-text-0.3.1.0 Completed validity-text-0.3.1.0 Completed uuid-types-1.0.3 Completed primitive-0.6.4.0 Starting scientific-0.3.6.2 Starting tf-random-0.5 Starting vector-0.12.0.2 Building tf-random-0.5 Building scientific-0.3.6.2 Building vector-0.12.0.2 Completed unordered-containers-0.2.10.0 Starting validity-unordered-containers-0.2.0.2 Building validity-unordered-containers-0.2.0.2 Completed tf-random-0.5 Starting QuickCheck-2.12.6.1 Building QuickCheck-2.12.6.1 Completed scientific-0.3.6.2 Starting validity-scientific-0.2.0.2 Building validity-scientific-0.2.0.2 Completed validity-unordered-containers-0.2.0.2 Starting attoparsec-0.13.2.2 Building attoparsec-0.13.2.2 Completed validity-scientific-0.2.0.2 Completed attoparsec-0.13.2.2 Completed QuickCheck-2.12.6.1 Starting genvalidity-0.8.0.0 Building genvalidity-0.8.0.0 Completed genvalidity-0.8.0.0 Starting genvalidity-scientific-0.2.1.0 Starting genvalidity-unordered-containers-0.3.0.0 Starting genvalidity-text-0.6.0.0 Building genvalidity-scientific-0.2.1.0 Building genvalidity-text-0.6.0.0 Building genvalidity-unordered-containers-0.3.0.0 Completed genvalidity-scientific-0.2.1.0 Completed genvalidity-text-0.6.0.0 Completed genvalidity-unordered-containers-0.3.0.0 Completed vector-0.12.0.2 Starting validity-vector-0.2.0.2 Starting aeson-1.4.2.0 Building validity-vector-0.2.0.2 Building aeson-1.4.2.0 Completed validity-vector-0.2.0.2 Starting genvalidity-vector-0.2.0.3 Building genvalidity-vector-0.2.0.3 Failed to install genvalidity-vector-0.2.0.3 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/genvalidity-vector-0.2.0.3-8OcILcdIc2nGdCchRjNW7K.log ): cabal: Entering directory '/tmp/cabal-tmp-8689/genvalidity-vector-0.2.0.3' Configuring genvalidity-vector-0.2.0.3... Preprocessing library for genvalidity-vector-0.2.0.3.. Building library for genvalidity-vector-0.2.0.3.. [1 of 2] Compiling Data.GenValidity.Vector ( src/Data/GenValidity/Vector.hs, dist/build/Data/GenValidity/Vector.o ) src/Data/GenValidity/Vector.hs:18:10: error: • Could not deduce (GenUnchecked v) arising from a use of ‘Data.GenValidity.$dmshrinkValid’ from the context: GenValid v bound by the instance declaration at src/Data/GenValidity/Vector.hs:18:10-44 Possible fix: add (GenUnchecked v) to the context of the instance declaration • In the expression: Data.GenValidity.$dmshrinkValid @(V.Vector v) In an equation for ‘shrinkValid’: shrinkValid = Data.GenValidity.$dmshrinkValid @(V.Vector v) In the instance declaration for ‘GenValid (V.Vector v)’ | 18 | instance GenValid v => GenValid (V.Vector v) where | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/Data/GenValidity/Vector.hs:21:10: error: • Could not deduce (GenUnchecked v) arising from a use of ‘Data.GenValidity.$dmshrinkInvalid’ from the context: GenInvalid v bound by the instance declaration at src/Data/GenValidity/Vector.hs:21:10-48 Possible fix: add (GenUnchecked v) to the context of the instance declaration • In the expression: Data.GenValidity.$dmshrinkInvalid @(V.Vector v) In an equation for ‘shrinkInvalid’: shrinkInvalid = Data.GenValidity.$dmshrinkInvalid @(V.Vector v) In the instance declaration for ‘GenInvalid (V.Vector v)’ | 21 | instance GenInvalid v => GenInvalid (V.Vector v) where | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/Data/GenValidity/Vector.hs:22:33: error: • Could not deduce (GenUnchecked v) arising from a use of ‘genInvalid’ from the context: GenInvalid v bound by the instance declaration at src/Data/GenValidity/Vector.hs:21:10-48 Possible fix: add (GenUnchecked v) to the context of the instance declaration • In the second argument of ‘(<$>)’, namely ‘genInvalid’ In the expression: V.fromList <$> genInvalid In an equation for ‘genInvalid’: genInvalid = V.fromList <$> genInvalid | 22 | genInvalid = V.fromList <$> genInvalid | ^^^^^^^^^^ src/Data/GenValidity/Vector.hs:28:10: error: • Could not deduce (GenUnchecked e) arising from a use of ‘Data.GenValidity.$dmshrinkValid’ from the context: (SV.Storable e, GenValid e) bound by the instance declaration at src/Data/GenValidity/Vector.hs:28:10-62 Possible fix: add (GenUnchecked e) to the context of the instance declaration • In the expression: Data.GenValidity.$dmshrinkValid @(SV.Vector e) In an equation for ‘shrinkValid’: shrinkValid = Data.GenValidity.$dmshrinkValid @(SV.Vector e) In the instance declaration for ‘GenValid (SV.Vector e)’ | 28 | instance (SV.Storable e, GenValid e) => GenValid (SV.Vector e) where | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-8689/genvalidity-vector-0.2.0.3' Completed aeson-1.4.2.0 cabal: Error: some packages failed to install: genvalidity-aeson-0.3.0.0-7PyuyeAZoEDGkbqtLOJffb depends on genvalidity-aeson-0.3.0.0 which failed to install. genvalidity-vector-0.2.0.3-8OcILcdIc2nGdCchRjNW7K failed during the building phase. The exception was: ExitFailure 1