these 2 derivations will be built: /nix/store/l10ylmqgmzcavz5wk2k23k1kwany9mp6-flake-inputs.drv /nix/store/j9x6gr70890ndrqc3sz3l5b71nhba8pd-check-flake-inputs.drv building '/nix/store/l10ylmqgmzcavz5wk2k23k1kwany9mp6-flake-inputs.drv' building '/nix/store/j9x6gr70890ndrqc3sz3l5b71nhba8pd-check-flake-inputs.drv' upload niks3: ok