this derivation will be built:
  /nix/store/mb9mjdfbqy442mxq0nkmvsiv9x2whdwn-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/mb9mjdfbqy442mxq0nkmvsiv9x2whdwn-bcachefs-module-7.0.0-39-generic.drv'...