these 2 derivations will be built: /nix/store/r3ib3wfq9cxjq6zgvagn0rjf6ii4pfn2-flake-inputs.drv /nix/store/i1f0n374bfn75sbhk4rhzflnxjynzpgc-check-flake-inputs.drv building '/nix/store/r3ib3wfq9cxjq6zgvagn0rjf6ii4pfn2-flake-inputs.drv' building '/nix/store/i1f0n374bfn75sbhk4rhzflnxjynzpgc-check-flake-inputs.drv' upload niks3: ok