this derivation will be built: /nix/store/z3mmnmvwmlf2dhrjjg63dqbaccj69m73-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/z3mmnmvwmlf2dhrjjg63dqbaccj69m73-bcachefs-module-7.0.0-38-generic.drv'...