these 2 derivations will be built: /nix/store/crznc9p2sw0daibzbxdwqqkvpz8ywv26-flake-inputs.drv /nix/store/57d57sjfr1hianhx2hx9ff7xry7krsq4-check-flake-inputs.drv building '/nix/store/crznc9p2sw0daibzbxdwqqkvpz8ywv26-flake-inputs.drv' building '/nix/store/57d57sjfr1hianhx2hx9ff7xry7krsq4-check-flake-inputs.drv' upload niks3: ok