this derivation will be built: /nix/store/lrzsc9w1nwyyz9a1j44dqpcnwf597mz3-treefmt-2ff0cc8.drv this path will be fetched (0.0 KiB download, 17.8 MiB unpacked): /nix/store/ynrvvff5pd5gzlqlq9dqij2h4fwr875d-treefmt-2ff0cc8-go-modules upload niks3: ok