this derivation will be built:
  /nix/store/1qflid5rngy2q1j247y7kyzwv53b614w-bcachefs-module-7.0.0-38-generic-64k.drv
building '/nix/store/1qflid5rngy2q1j247y7kyzwv53b614w-bcachefs-module-7.0.0-38-generic-64k.drv'...