this derivation will be built:
  /nix/store/z66b1ajhgj78mqj1a2z17171nn7yvpz5-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/z66b1ajhgj78mqj1a2z17171nn7yvpz5-bcachefs-module-7.0.0-31-generic.drv'...