[libcollections] Fix unused import warnings during stage0 build #25935
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r? @huonw (rust_highfive has picked a reviewer for you, use r? to override) |
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Hmm, is this the sort of thing that needs to hang around forever, or is just pending a new snapshot? |
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@gankro I'm not sure. Sorry, I'm new to working on rust. What's the effect of taking a new snapshot? |
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Stage0 is building the current source from a snapshot binary build of the source from a while back. This often means stage0 has to do some trippy stuff to bridge the gap between today's and yesterday's Rust. Taking a new snapshot makes the gap smaller and thus reduces the amount of conditional things the source needs to include to handle this. If this doesn't pop up in stage1 or 2 I assume that's the problem, but since 1.0 I haven't kept up on what the snapshot "process" is. |
Gankra
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Basically I like the idea of cleaning up the output, but not if it's just making more work for a temporary thing. We're doing triage tomorrow, and I'll look into what's up with this then. Thanks for the contribution, though! |
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Sure. Thanks for the explanation! I initially only noticed the warnings On Sun, May 31, 2015, 6:53 PM Alexis Beingessner [email protected]
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I think this isn't related to the stage0 build but rather unit tests (which means that these need to stick around for awhile), just to clarify! I'll add a few comments inline. |
src/libcollections/lib.rs
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Could you move this down near the other cfg_attr features?
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@alexcrichton Thanks for the feedback! I've pushed a new commit with your suggestions. |
src/libcollections/slice.rs
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Conventionally we have a space after the last slash (e.g. // foo)
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@alexcrichton Fixed. Thanks! |
…r=alexcrichton Fixes a bunch of warnings that are generated during the stage0 build of libcollections.
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Fixes a bunch of warnings that are generated during the stage0 build of libcollections.