this derivation will be built:
  /nix/store/q9xa27n7zk6whv9ajqvvhfxmd8g61s1p-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/q9xa27n7zk6whv9ajqvvhfxmd8g61s1p-bcachefs-module-7.0.0-34-generic.drv'...