this derivation will be built:
  /nix/store/j6dlinvaypk6zvl22zlbgy6m9c4gqjx6-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/j6dlinvaypk6zvl22zlbgy6m9c4gqjx6-bcachefs-module-7.0.0-31-generic.drv'...