this derivation will be built:
  /nix/store/hkvjcwfp6zy8ck04djq0xbpl7iy599wb-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/hkvjcwfp6zy8ck04djq0xbpl7iy599wb-bcachefs-module-7.0.0-29-generic.drv'...