these 2 derivations will be built: /nix/store/vz8nny6707b4vj6sb9fdkibsb4iwrhlb-flake-inputs.drv /nix/store/psm0svvyz0kn5dw8ra6y218h8v03n2wq-check-flake-inputs.drv building '/nix/store/vz8nny6707b4vj6sb9fdkibsb4iwrhlb-flake-inputs.drv' building '/nix/store/psm0svvyz0kn5dw8ra6y218h8v03n2wq-check-flake-inputs.drv' upload niks3: ok