these 2 derivations will be built: /nix/store/ki7mhhiwca2xj9i6kyd8gr56204b71yz-flake-inputs.drv /nix/store/rrax07k436k0x8bp9pvw576rzx9z6gv5-check-flake-inputs.drv building '/nix/store/ki7mhhiwca2xj9i6kyd8gr56204b71yz-flake-inputs.drv' building '/nix/store/rrax07k436k0x8bp9pvw576rzx9z6gv5-check-flake-inputs.drv' upload niks3: ok