this derivation will be built:
  /nix/store/f6vqny7xh41w2xn16f9acqj6sic23yi5-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/f6vqny7xh41w2xn16f9acqj6sic23yi5-bcachefs-module-7.0.0-29-generic.drv'...