these 2 derivations will be built: /nix/store/hy86qz1fj25gpc1pq40pi766jrxijxxl-flake-inputs.drv /nix/store/fl63spgf49f1vmawrvnbgv34rcr9cvas-check-flake-inputs.drv building '/nix/store/hy86qz1fj25gpc1pq40pi766jrxijxxl-flake-inputs.drv' building '/nix/store/fl63spgf49f1vmawrvnbgv34rcr9cvas-check-flake-inputs.drv' upload niks3: ok