this derivation will be built: /nix/store/iivyjbap9shn2m1m8y0yvg6mbzb6a9pb-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/iivyjbap9shn2m1m8y0yvg6mbzb6a9pb-bcachefs-module-7.0.0-38-generic.drv'...