this derivation will be built:
  /nix/store/6kmvg6dfkr1xa68kqbsmzkl983gh1mic-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/6kmvg6dfkr1xa68kqbsmzkl983gh1mic-bcachefs-module-7.0.0-39-generic.drv'...