this derivation will be built: /nix/store/35zd39v3w484wr7ddl412mw8ra729vrv-bcachefs-module-7.0.0-31-generic.drv building '/nix/store/35zd39v3w484wr7ddl412mw8ra729vrv-bcachefs-module-7.0.0-31-generic.drv'...