[ 3 of 16] Compiling Data.Aeson.Types.Internal ( Data/Aeson/Types/Internal.hs, dist/build/Data/Aeson/Types/Internal.o )
Data/Aeson/Types/Internal.hs:345:17:
No instance for (Semigroup Builder)
arising from the 'deriving' clause of a data type declaration
Possible fix:
add an instance declaration for (Semigroup Builder)
or use a standalone 'deriving instance' declaration,
so you can specify the instance context yourself
When deriving the instance for (Semigroup Encoding)
Failed to install aeson-0.11.2.0
cabal: Error: some packages failed to install:
aeson-0.11.2.0 failed during the building phase. The exception was:
ExitFailure 1
criterion-1.1.1.0 depends on aeson-0.11.2.0 which failed to install.
statistics-0.13.3.0 depends on aeson-0.11.2.0 which failed to install.
Build failure is unrelated to doc change