this derivation will be built:
  /nix/store/glx6ahnsdy5pjd1fcys10kkavk8zrwxb-check-cabal-files.drv
check-cabal-files> 
check-cabal-files> yaya-unsafe
check-cabal-files> ––––––––––––––––––––––––––––––––––––––––
check-cabal-files> No errors or warnings could be found in the package.
check-cabal-files> 
check-cabal-files> yaya-quickcheck
check-cabal-files> ––––––––––––––––––––––––––––––––––––––––
check-cabal-files> No errors or warnings could be found in the package.
check-cabal-files> 
check-cabal-files> yaya
check-cabal-files> ––––––––––––––––––––––––––––––––––––––––
check-cabal-files> No errors or warnings could be found in the package.
check-cabal-files> 
check-cabal-files> yaya-containers
check-cabal-files> ––––––––––––––––––––––––––––––––––––––––
check-cabal-files> These warnings will likely cause trouble when distributing the package:
check-cabal-files> Warning: [no-description] No 'description' field.
check-cabal-files> 
check-cabal-files> yaya-hedgehog
check-cabal-files> ––––––––––––––––––––––––––––––––––––––––
check-cabal-files> No errors or warnings could be found in the package.