this derivation will be built:
  /nix/store/dgx0cqjd8p6nkqjlfraa49gfvy7m03jh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/dgx0cqjd8p6nkqjlfraa49gfvy7m03jh-bcachefs-module-7.0.0-39-generic.drv'...