these 2 derivations will be built: /nix/store/3g8k2aarsaawb1a1an4xhd900vv69n2b-flake-inputs.drv /nix/store/lz2ix44v65rlai7ilqb8838xsjf52v6g-check-flake-inputs.drv building '/nix/store/3g8k2aarsaawb1a1an4xhd900vv69n2b-flake-inputs.drv' building '/nix/store/lz2ix44v65rlai7ilqb8838xsjf52v6g-check-flake-inputs.drv' upload niks3: ok