these 2 derivations will be built: /nix/store/ibjw6k2lp81vv2z3kcdpbf3c4nb80app-flake-inputs.drv /nix/store/56vy6rw76sqwkw6b4csgs0g5rl9slyx7-check-flake-inputs.drv building '/nix/store/ibjw6k2lp81vv2z3kcdpbf3c4nb80app-flake-inputs.drv' building '/nix/store/56vy6rw76sqwkw6b4csgs0g5rl9slyx7-check-flake-inputs.drv' upload niks3: ok