this derivation will be built:
  /nix/store/4pg1b31s8rkzl19plifwdad5q1fyhxhn-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/4pg1b31s8rkzl19plifwdad5q1fyhxhn-bcachefs-module-7.0.0-29-generic.drv'...