serde_macros 0.8.9

Macros to auto-generate implementations for the serde framework failed to build serde_macros-0.8.9
Please check the build logs for more information.
See Builds for ideas on how to fix a failed build, or Metadata for how to configure builds.
If you believe this is' fault, open an issue.
Visit the last successful build: serde_macros-0.8.8