this derivation will be built:
  /nix/store/dc6hah0j3w1kmjqbfgp87v55nik2qpnj-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/dc6hah0j3w1kmjqbfgp87v55nik2qpnj-bcachefs-module-7.0.0-39-generic.drv'...