this derivation will be built:
  /nix/store/h4620x0fn89q3ww9i3dclrjz3jiq8q4s-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/h4620x0fn89q3ww9i3dclrjz3jiq8q4s-bcachefs-module-7.0.0-39-generic.drv'...