these 2 derivations will be built: /nix/store/vglbv4kyvidd69va6ibjf687hbgac7ic-flake-inputs.drv /nix/store/6a64zydlr9cx2f353nvw8dn61plqv83j-check-flake-inputs.drv building '/nix/store/vglbv4kyvidd69va6ibjf687hbgac7ic-flake-inputs.drv' building '/nix/store/6a64zydlr9cx2f353nvw8dn61plqv83j-check-flake-inputs.drv' upload niks3: ok