this derivation will be built:
  /nix/store/0khq3zmzh8dj5qh6p34s6rmv5jz1dwq2-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/0khq3zmzh8dj5qh6p34s6rmv5jz1dwq2-bcachefs-module-7.0.0-31-generic.drv'...