this derivation will be built:
  /nix/store/9fdf5ql5d401ziqfpci6mjcylnw8vwli-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/9fdf5ql5d401ziqfpci6mjcylnw8vwli-bcachefs-module-7.0.0-29-generic.drv'...