this derivation will be built:
  /nix/store/7fy2bwyk29hc76s5hrp0b36zgggrqvy7-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/7fy2bwyk29hc76s5hrp0b36zgggrqvy7-bcachefs-module-7.0.0-31-generic.drv'...