this derivation will be built:
  /nix/store/g9p46f8bs66yf51i98hx4wa2sh06ip3y-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/g9p46f8bs66yf51i98hx4wa2sh06ip3y-bcachefs-module-7.0.0-28-generic.drv'...