this derivation will be built:
  /nix/store/6z0m6v8hz6wx48payq96y6sxjw17h6qh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/6z0m6v8hz6wx48payq96y6sxjw17h6qh-bcachefs-module-7.0.0-39-generic.drv'...