this derivation will be built:
  /nix/store/l1rb8y2m3y3l396bgk1cvqrx517zgz5f-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/l1rb8y2m3y3l396bgk1cvqrx517zgz5f-bcachefs-module-7.0.0-31-generic.drv'...