Resolving dependencies... Configuring primitive-0.6.1.0... Building primitive-0.6.1.0... Installed primitive-0.6.1.0 Configuring vector-0.11.0.0... Building vector-0.11.0.0... Installed vector-0.11.0.0 Configuring freenect-1.0... Building freenect-1.0... Failed to install freenect-1.0 Build log ( /home/builder/.cabal/logs/freenect-1.0.log ): cabal: Entering directory '/tmp/cabal-tmp-17989/freenect-1.0' Configuring freenect-1.0... Building freenect-1.0... Preprocessing library freenect-1.0... [1 of 2] Compiling Freenect.FFI ( src/Freenect/FFI.hs, dist/build/Freenect/FFI.o ) [2 of 2] Compiling Freenect ( src/Freenect.hs, dist/build/Freenect.o ) src/Freenect.hs:221:7: error: Illegal bang-pattern (use BangPatterns): ! size cabal: Leaving directory '/tmp/cabal-tmp-17989/freenect-1.0' cabal: Error: some packages failed to install: freenect-1.0 failed during the building phase. The exception was: ExitFailure 1