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Rollup of 4 pull requests#90437

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bors merged 11 commits intorust-lang:masterrust-lang/rust:masterfrom matthiaskrgr:rollup-vd8uqm6matthiaskrgr/rust:rollup-vd8uqm6Copy head branch name to clipboardOct 31, 2021

+198-72

Commits

Commits on Oct 3, 2021

• Use rtabort! instead of rtprintpanic! + abort_internal

  bjorn3

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  17f4181

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• Re-export io::stdio::cleanup instead of wrap it

  bjorn3

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Commits on Oct 8, 2021

• Let stack_overflow::imp::cleanup call drop_handler directly

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  bjorn3

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  d2c8377

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• Update test expectation

  bjorn3

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Commits on Oct 30, 2021

• Add #[must_use] to len and is_empty

  jkugelman

  committed
  6745e8d

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Commits on Oct 31, 2021

• Add #[must_use] to remaining std functions (O-Z)

  jkugelman

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• Add #[must_use] to remaining std functions (A-N)

  jkugelman

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• Rollup merge of rust-lang#89068 - bjorn3:restructure_rt2, r=joshtriplett

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  matthiaskrgr

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  6c5aa76

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• Rollup merge of rust-lang#89786 - jkugelman:must-use-len-and-is_empty, r=joshtriplett

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  matthiaskrgr

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• Rollup merge of rust-lang#90430 - jkugelman:must-use-std-a-through-n, r=joshtriplett

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  matthiaskrgr

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• Rollup merge of rust-lang#90431 - jkugelman:must-use-std-o-through-z, r=joshtriplett

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  matthiaskrgr

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