this derivation will be built: /nix/store/3nbvqp9yy0bp3ys0f9z7yklbil34kpww-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/3nbvqp9yy0bp3ys0f9z7yklbil34kpww-bcachefs-module-7.0.0-38-generic.drv'...