this derivation will be built:
  /nix/store/bk7ik9dyzd25dg16s7lf7hp29zsf66kx-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/bk7ik9dyzd25dg16s7lf7hp29zsf66kx-bcachefs-module-7.0.0-38-generic.drv'...