this derivation will be built:
  /nix/store/rknr0qqyvmg62x1rk6lw2vywy3kv8aid-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/rknr0qqyvmg62x1rk6lw2vywy3kv8aid-bcachefs-module-7.0.0-39-generic.drv'...