this derivation will be built: /nix/store/v93x9pbsj569qhagrggv4r9aqlmnb4x9-bcachefs-module-7.0.0-38-generic.drv building '/nix/store/v93x9pbsj569qhagrggv4r9aqlmnb4x9-bcachefs-module-7.0.0-38-generic.drv'...