these 2 derivations will be built: /nix/store/m49incmlaai67gkxq4vxn0zk5dma0yhs-flake-inputs.drv /nix/store/1vs8zdrxmwp4sqbm8z8pci3pfd27w2g9-check-flake-inputs.drv building '/nix/store/m49incmlaai67gkxq4vxn0zk5dma0yhs-flake-inputs.drv' building '/nix/store/1vs8zdrxmwp4sqbm8z8pci3pfd27w2g9-check-flake-inputs.drv' upload niks3: ok