this derivation will be built:
  /nix/store/1qax40j5b9cc1xhhg48rw44h6fyms6jq-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/1qax40j5b9cc1xhhg48rw44h6fyms6jq-bcachefs-module-7.0.0-38-generic.drv'...