these 2 derivations will be built: /nix/store/lc0wb8qdcxnrclza6d9z27npn0fklwaw-flake-inputs.drv /nix/store/0r9n83kwnvlvlk440fk6i8pprypr0l44-check-flake-inputs.drv building '/nix/store/lc0wb8qdcxnrclza6d9z27npn0fklwaw-flake-inputs.drv' building '/nix/store/0r9n83kwnvlvlk440fk6i8pprypr0l44-check-flake-inputs.drv' upload niks3: ok