this derivation will be built:
  /nix/store/71ysixvwr9dgpm0bdq494c6kf6w1q0a9-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/71ysixvwr9dgpm0bdq494c6kf6w1q0a9-bcachefs-module-7.0.0-29-generic.drv'...