these 2 derivations will be built: /nix/store/ahsa822xqsfq48hpai6wh2lqi5lzd5vv-flake-inputs.drv /nix/store/4f39gw29a1nvdraih1f3shs9mnlv92ck-check-flake-inputs.drv building '/nix/store/ahsa822xqsfq48hpai6wh2lqi5lzd5vv-flake-inputs.drv' building '/nix/store/4f39gw29a1nvdraih1f3shs9mnlv92ck-check-flake-inputs.drv' upload niks3: ok