this derivation will be built:
  /nix/store/5vvdy3hdz19kmdk5lwsad2l1rf78l38j-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/5vvdy3hdz19kmdk5lwsad2l1rf78l38j-bcachefs-module-7.0.0-31-generic.drv'...