this derivation will be built:
  /nix/store/47q03w3dc1w0v7jq6gawqq99kcrpnndb-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/47q03w3dc1w0v7jq6gawqq99kcrpnndb-bcachefs-module-7.0.0-39-generic.drv'...