this derivation will be built:
  /nix/store/n9v14qibvf8blgpmb94q5nxs9gn08brb-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/n9v14qibvf8blgpmb94q5nxs9gn08brb-bcachefs-module-7.0.0-38-generic.drv'...