this derivation will be built:
  /nix/store/xl7j8x2g6f666r3rrdhns56rqy17j7jh-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/xl7j8x2g6f666r3rrdhns56rqy17j7jh-bcachefs-module-7.0.0-31-generic.drv'...