Starting download of /gnu/store/wnr9fc374i68q0lhnf06a9klkl5m576b-ghc-lens-4.19.2-6.cabal From https://hackage.haskell.org/package/lens-4.19.2/revision/6.cabal...  6.cabal 22.4MiB/s 00:00 | 16KiB transferred  6.cabal 12.7MiB/s 00:00 | 16KiB transferred