this derivation will be built:
  /nix/store/bkmy7a84i9sgnkwgqnhbh3ac5ii3qd2n-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/bkmy7a84i9sgnkwgqnhbh3ac5ii3qd2n-bcachefs-module-7.0.0-34-generic.drv'...