these 2 derivations will be built: /nix/store/n8dpblx55kww41szpw5ka8gqg7vikdwh-flake-inputs.drv /nix/store/f7ccf4v9fnwsis1fpc99z58rr5fxim1m-check-flake-inputs.drv building '/nix/store/n8dpblx55kww41szpw5ka8gqg7vikdwh-flake-inputs.drv' building '/nix/store/f7ccf4v9fnwsis1fpc99z58rr5fxim1m-check-flake-inputs.drv' upload niks3: ok