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authorbors <bors@rust-lang.org>2019-08-15 10:47:20 +0000
committerbors <bors@rust-lang.org>2019-08-15 10:47:20 +0000
commita3da66d6d3db4b80da10e7116302b0985b7661a5 (patch)
treec8fe7394b9327c5548bfc9d92080ce217dd937df /src/test/incremental/thinlto
parent33ec66a96f83c67fb7a0de412d88ec39553599e5 (diff)
parent42f03539caf6320a9618916e5328bb13aa442f30 (diff)
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Auto merge of #4348 - phansch:deprecate-unused-unused-collect, r=flip1995
Deprecate unused_collect lint

I found this because we only had two test cases in total for this lint.
It turns out the functionality is fully covered by rustc these days.

[Playground Examples](https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=eb8ee6db389c77180c9fb152d3c608f4)

changelog: Deprecate `unused_collect` lint. This is fully covered by rustc's `#[must_use]` on `collect`

cc #2846
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