these 2 derivations will be built: /nix/store/ycj3v2rhimbqxbfd96w9v6sc6a8mlbl9-flake-inputs.drv /nix/store/9nak80pqfzk2kr7ranl1ad14f419pq2a-check-flake-inputs.drv building '/nix/store/ycj3v2rhimbqxbfd96w9v6sc6a8mlbl9-flake-inputs.drv' building '/nix/store/9nak80pqfzk2kr7ranl1ad14f419pq2a-check-flake-inputs.drv' upload niks3: ok