this derivation will be built:
  /nix/store/g7rmfz1f1lm715s88x0zgdm80hxkqiym-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/g7rmfz1f1lm715s88x0zgdm80hxkqiym-bcachefs-module-7.0.0-38-generic.drv'...