these 2 derivations will be built: /nix/store/9254nr4p1gajqvm8090rbz5jblqh56m9-flake-inputs.drv /nix/store/96z7rghbzc0la7mcz3w8hvrk9gh9l6sc-check-flake-inputs.drv building '/nix/store/9254nr4p1gajqvm8090rbz5jblqh56m9-flake-inputs.drv' building '/nix/store/96z7rghbzc0la7mcz3w8hvrk9gh9l6sc-check-flake-inputs.drv' upload niks3: ok