these 2 derivations will be built: /nix/store/vpswvmqxvvlw3g8kgfh4v332q88plqdp-flake-inputs.drv /nix/store/7p8832anmcp5v9w6cp95srr2yyb0348m-check-flake-inputs.drv building '/nix/store/vpswvmqxvvlw3g8kgfh4v332q88plqdp-flake-inputs.drv' building '/nix/store/7p8832anmcp5v9w6cp95srr2yyb0348m-check-flake-inputs.drv' upload niks3: ok