these 2 derivations will be built: /nix/store/v0pq9wczng6y9jq4s28wz8sas8kmajjp-flake-inputs.drv /nix/store/y2vm96rn5cwaqdg847kjbh4zbvccmrf7-check-flake-inputs.drv building '/nix/store/v0pq9wczng6y9jq4s28wz8sas8kmajjp-flake-inputs.drv' building '/nix/store/y2vm96rn5cwaqdg847kjbh4zbvccmrf7-check-flake-inputs.drv' upload niks3: ok