this derivation will be built:
  /nix/store/fgxhbf4gwjf7pnkkynmxq0slk25nly5r-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/fgxhbf4gwjf7pnkkynmxq0slk25nly5r-bcachefs-module-7.0.0-28-generic.drv'...