this derivation will be built:
  /nix/store/rm7f8i30f8b0z2z0jaq5qvpczqscj8xx-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/rm7f8i30f8b0z2z0jaq5qvpczqscj8xx-bcachefs-module-7.0.0-29-generic.drv'...