these 2 derivations will be built: /nix/store/afd6g7lmq230jvpyl9c5vrgby46jgk80-flake-inputs.drv /nix/store/fzayy2axhkxi5asfb9pb70v4n718lhyi-check-flake-inputs.drv building '/nix/store/afd6g7lmq230jvpyl9c5vrgby46jgk80-flake-inputs.drv' building '/nix/store/fzayy2axhkxi5asfb9pb70v4n718lhyi-check-flake-inputs.drv' upload niks3: ok