these 2 derivations will be built: /nix/store/c586hgj8fhs1vylcwh8n2w5ivhb25dk4-flake-inputs.drv /nix/store/knpn945miiqj71aib01i9k8rmfrxy39k-check-flake-inputs.drv building '/nix/store/c586hgj8fhs1vylcwh8n2w5ivhb25dk4-flake-inputs.drv' building '/nix/store/knpn945miiqj71aib01i9k8rmfrxy39k-check-flake-inputs.drv' upload niks3: ok