Resolving dependencies...
Starting     primitive-0.7.1.0
Building     primitive-0.7.1.0
Completed    primitive-0.7.1.0
Starting     vector-0.12.1.2
Building     vector-0.12.1.2
Completed    vector-0.12.1.2
Downloading  earcut-0.1.0.3
Downloaded   earcut-0.1.0.3
Starting     earcut-0.1.0.3
Building     earcut-0.1.0.3
Failed to install earcut-0.1.0.3
Build log ( /home/builder/.cabal/logs/ghc-8.6.3/earcut-0.1.0.3-GMBunPupEW8Cba9Lw1H07X.log ):
cabal: Entering directory '/tmp/cabal-tmp-11963/earcut-0.1.0.3'
Configuring earcut-0.1.0.3...
Preprocessing library for earcut-0.1.0.3..
Building library for earcut-0.1.0.3..
[1 of 1] Compiling Geometry.Earcut  ( src/Geometry/Earcut.hs, dist/build/Geometry/Earcut.o )
<command line>: does not exist: cbits/binding.cpp
cabal: Leaving directory '/tmp/cabal-tmp-11963/earcut-0.1.0.3'
cabal: Error: some packages failed to install:
earcut-0.1.0.3-GMBunPupEW8Cba9Lw1H07X failed during the building phase. The
exception was:
ExitFailure 1