Resolving dependencies...
Downloading edit-lenses-demo-0.1...
Failed to install edit-lenses-demo-0.1
cabal: Error: some packages failed to install:
edit-lenses-demo-0.1 failed while unpacking the package. The exception was:
/tmp/edit-lenses-demo-0.1-13677/edit-lenses-demo-0.1/Data/Module/edit-lenses-demo-0.1/Data/Module/String.hs:
copyFile: does not exist (No such file or directory)