this derivation will be built:
  /nix/store/c8gdji6gyzh9f3vm5xclrm90g5xp2133-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/c8gdji6gyzh9f3vm5xclrm90g5xp2133-bcachefs-module-7.0.0-39-generic.drv'...