this derivation will be built:
  /nix/store/rkh2qknmg0i0vxxb942fn0a5xg1dws12-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/rkh2qknmg0i0vxxb942fn0a5xg1dws12-bcachefs-module-7.0.0-38-generic.drv'...