Created attachment 517198 [details] build.log dev-haskell/skylighting fails to build, I have attached the build.log, but here is the (likely) relevant part: [ 1 of 132] Compiling Skylighting.Regex ( src/Skylighting/Regex.hs, dist/build/Skylighting/Regex.o ) [ 2 of 132] Compiling Skylighting.Types ( src/Skylighting/Types.hs, dist/build/Skylighting/Types.o ) src/Skylighting/Types.hs:351:10: No instance for (Binary Text) arising from a use of ‘binary-0.8.3.0:Data.Binary.Class.$gdmput’ In the expression: binary-0.8.3.0:Data.Binary.Class.$gdmput In an equation for ‘put’: put = binary-0.8.3.0:Data.Binary.Class.$gdmput In the instance declaration for ‘Binary FormatOptions’