this derivation will be built:
  /nix/store/y5biq969sjf5z5vl4w7vwk7gkskrdlmw-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/y5biq969sjf5z5vl4w7vwk7gkskrdlmw-bcachefs-module-7.0.0-39-generic.drv'...