this derivation will be built: /nix/store/mp9irw0wmx72wwn3ihjm6c8qq56bmh1f-bcachefs-module-7.0.0-34-generic.drv building '/nix/store/mp9irw0wmx72wwn3ihjm6c8qq56bmh1f-bcachefs-module-7.0.0-34-generic.drv'...