this derivation will be built:
  /nix/store/pb54q9ja7b7a1d6797nq4c6k84rp2jgh-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/pb54q9ja7b7a1d6797nq4c6k84rp2jgh-bcachefs-module-7.0.0-30-generic.drv'...