async-email / async-smtp

Apache License 2.0
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Remove uses of pin_project::project attribute #21

Closed taiki-e closed 4 years ago

taiki-e commented 4 years ago

pin-project will deprecate the project attribute due to some unfixable limitations.

Refs: https://github.com/taiki-e/pin-project/issues/225

Although the deprecation of the project attribute has not been released yet, this PR is submitted in advance to avoid the CI from being broken by deprecated warnings.