this derivation will be built: /nix/store/l4wqbc6cvlrfa534a3ys501mhbz9b4c9-bcachefs-module-7.0.0-28-generic.drv building '/nix/store/l4wqbc6cvlrfa534a3ys501mhbz9b4c9-bcachefs-module-7.0.0-28-generic.drv'...