this derivation will be built: /nix/store/bgfk0ajfqklri9g1zalxssymf0qsn8z0-bcachefs-module-7.0.0-29-generic.drv building '/nix/store/bgfk0ajfqklri9g1zalxssymf0qsn8z0-bcachefs-module-7.0.0-29-generic.drv'...