these 2 derivations will be built: /nix/store/r9d08fdmf92109yc3a10pzdss6064b0p-flake-inputs.drv /nix/store/idlqaqanmyi8i5qdr9yznj8l96rp3ggw-check-flake-inputs.drv building '/nix/store/r9d08fdmf92109yc3a10pzdss6064b0p-flake-inputs.drv' building '/nix/store/idlqaqanmyi8i5qdr9yznj8l96rp3ggw-check-flake-inputs.drv' upload niks3: ok