this derivation will be built:
  /nix/store/0xwn2yx0ax4adgy0885npp5hxi3y2436-bcachefs-module-7.1.5-arch1-2.drv
building '/nix/store/0xwn2yx0ax4adgy0885npp5hxi3y2436-bcachefs-module-7.1.5-arch1-2.drv'...