this derivation will be built:
  /nix/store/q4dbxrq8bbniwkia2lg2j0fx1hjqykyr-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/q4dbxrq8bbniwkia2lg2j0fx1hjqykyr-bcachefs-module-7.0.0-38-generic.drv'...