this derivation will be built:
  /nix/store/s8zadf810jrizcw093rkvn4mn7vykk2a-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/s8zadf810jrizcw093rkvn4mn7vykk2a-bcachefs-module-7.0.0-29-generic.drv'...