these 2 derivations will be built: /nix/store/33ys3lkffxnvrqj28i4gic6pvdzgii26-flake-inputs.drv /nix/store/ljw8i8rvjfqw400zskh26f0cbcz994n5-check-flake-inputs.drv building '/nix/store/33ys3lkffxnvrqj28i4gic6pvdzgii26-flake-inputs.drv' building '/nix/store/ljw8i8rvjfqw400zskh26f0cbcz994n5-check-flake-inputs.drv' upload niks3: ok