these 2 derivations will be built: /nix/store/mf6ixcvfc40v4mxsnjdwi8i82685nch7-flake-inputs.drv /nix/store/j6199sn19bl1n4nzwk5xjkzbcsk5fjbc-check-flake-inputs.drv building '/nix/store/mf6ixcvfc40v4mxsnjdwi8i82685nch7-flake-inputs.drv' building '/nix/store/j6199sn19bl1n4nzwk5xjkzbcsk5fjbc-check-flake-inputs.drv' upload niks3: ok