this derivation will be built:
  /nix/store/9qlfylh08n2w861vbjyg85hsgm31yg9d-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/9qlfylh08n2w861vbjyg85hsgm31yg9d-bcachefs-module-7.0.0-29-generic.drv'...