this derivation will be built:
  /nix/store/b7xp38yyfn3j7sff6l0487yz7whwj46v-bcachefs-module-7.2.8-arch1-2.drv
building '/nix/store/b7xp38yyfn3j7sff6l0487yz7whwj46v-bcachefs-module-7.2.8-arch1-2.drv'...