these 2 derivations will be built: /nix/store/b0cv29dk1m2hyqzy7wdv7q80jamls1z6-flake-inputs.drv /nix/store/mg03sf5avrl7klg1bkqs65g0y5yxr676-check-flake-inputs.drv building '/nix/store/b0cv29dk1m2hyqzy7wdv7q80jamls1z6-flake-inputs.drv' building '/nix/store/mg03sf5avrl7klg1bkqs65g0y5yxr676-check-flake-inputs.drv' upload niks3: ok