--- failure feature_missing: package feature removed or renamed ---

Description:
A feature has been removed from this package's Cargo.toml. This will break downstream crates which enable that feature.
        ref: https://doc.rust-lang.org/cargo/reference/semver.html#cargo-feature-remove
       impl: https://github.com/obi1kenobi/cargo-semver-checks/tree/v0.41.0/src/lints/feature_missing.ron

Failed in:
  feature flate2 in the package's Cargo.toml
  feature deflate-zlib-ng in the package's Cargo.toml
  feature deflate-miniz in the package's Cargo.toml
  feature proc-macro2 in the package's Cargo.toml
  feature deflate-zlib in the package's Cargo.toml