these 2 derivations will be built: /nix/store/1ix00r0jgr0dyc2nrd5970r6j0f5hvh9-flake-inputs.drv /nix/store/3s4nnydsi94ylzw8pfz97zj2l0vk8az6-check-flake-inputs.drv building '/nix/store/1ix00r0jgr0dyc2nrd5970r6j0f5hvh9-flake-inputs.drv' building '/nix/store/3s4nnydsi94ylzw8pfz97zj2l0vk8az6-check-flake-inputs.drv' upload niks3: ok