this derivation will be built:
  /nix/store/2xwz04m9nf3axgqv66h9z9nb5419dj5v-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/2xwz04m9nf3axgqv66h9z9nb5419dj5v-bcachefs-module-7.0.0-39-generic.drv'...