this derivation will be built:
  /nix/store/r8yj1cfdn4xr1raqcclajwb5qah8w06w-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/r8yj1cfdn4xr1raqcclajwb5qah8w06w-bcachefs-module-7.0.0-30-generic.drv'...