these 2 derivations will be built: /nix/store/jml7h5ai93vn6m7mbaiyswc4yl8nkb2g-flake-inputs.drv /nix/store/4flcznjrh5rx45x6g2rrwakqjvh84ql0-check-flake-inputs.drv building '/nix/store/jml7h5ai93vn6m7mbaiyswc4yl8nkb2g-flake-inputs.drv' building '/nix/store/4flcznjrh5rx45x6g2rrwakqjvh84ql0-check-flake-inputs.drv' upload niks3: ok