this derivation will be built:
  /nix/store/gj2rz1v1ms2j76wn3kvdajjcycqgl74n-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/gj2rz1v1ms2j76wn3kvdajjcycqgl74n-bcachefs-module-7.0.0-31-generic.drv'...