this derivation will be built:
  /nix/store/i03bwylhdj5lv6cd6zz146zx7jc40gfj-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/i03bwylhdj5lv6cd6zz146zx7jc40gfj-bcachefs-module-7.0.0-31-generic.drv'...